| 单词 | pectoral fin |
| 例句 | Now that he had seen him once, he could picture the fish swimming in the water with his purple pectoral fins set wide as wings and the great erect tail slicing through the dark. The Old Man and The Sea 1952-01-01T00:00:00Z He could see their wide, flattened, shovel-pointed heads now and their white- tipped wide pectoral fins. The Old Man and The Sea 1952-01-01T00:00:00Z I drew a pectoral fin on the side and a pelvic fin on the bottom to help the shark move up and down. The Line Tender 2019-04-16T00:00:00Z The pectoral fins were removed and placed on another folding table. The Line Tender 2019-04-16T00:00:00Z As I approach, armed with my spear, I watch as the fish spreads its wide pectoral fins, displaying its venomous spines. Behold the Lionfish, as Transfixing as It Is Destructive 2022-06-06T04:00:00Z Their pectoral fins are the largest of any whale, nearly a third as long as their body. How the humpback whale made a massive comeback in the Salish Sea 2023-09-10T04:00:00Z Humpbacks possess big pectoral fins and tails for swiping and smacking other animals in defense of themselves or their calves. Did humpbacks try to save a seal from orcas? See for yourself. 2023-09-07T04:00:00Z Ph.D. student Ivo da Costa looped a rope over the shark’s tail to hold it tight, then reached over the railing and grasped its two pectoral fins. Breathless oceans: Warming waters could suffocate marine life and disrupt fisheries 2023-02-01T05:00:00Z Next, as if aware of an audience, the humpback rolled on its side and flapped a pectoral fin to splash the water. In Newfoundland, vast vistas and warm welcomes 2022-08-26T04:00:00Z A few species of epaulette sharks have evolved to move their pectoral fins in the front and pelvic fins in the back to plod along outside the water at low tide. Discovery’s ‘Shark Week’ hopes to enchant and thrill viewers 2022-07-21T04:00:00Z Catfish have barbs, or spines, on their dorsal and pectoral fins. Officials: Child stabbed by catfish barb, hospitalized 2022-06-21T04:00:00Z Their pectoral fins also boast knobs at the ends, each of which can become encrusted in barnacles and act like a pair of sharpened brass knuckles in a fin fight. Did humpbacks try to save a seal from orcas? See for yourself. 2023-09-07T04:00:00Z Other scans revealed the delicate bones of its pectoral fin. Started Out as a Fish. How Did It End Up Like This? 2022-04-29T04:00:00Z In the laboratory, the scientists sliced thin pieces of bone from the lower jaws of the paddlefish and from the pectoral fin spines of the sturgeon. The Dinosaur Age May Have Ended in Springtime 2022-02-23T05:00:00Z Each crater held a single, stolid icefish, dark pectoral fins outspread like bat wings over a clutch of eggs. ‘Major Discovery’ Beneath Antarctic Seas: A Giant Icefish Breeding Colony 2022-01-13T05:00:00Z In one video, Gauna captured a shark with a pectoral fin bent at a right angle from an injury, like a broken wing. Drones show California's great white sharks are closer — and more common — than you think 2021-05-04T04:00:00Z The shark’s most striking characteristic is its pectoral fins, which stretch to a 1.9-meter “wingspan.” This eagle shark once soared through ancient seas near Mexico 2021-03-18T04:00:00Z Harmless to humans, they’re named for large spots above their pectoral fins that resemble military shoulder ornaments. Warming oceans mean smaller baby sharks struggle to survive 2021-03-10T05:00:00Z “Their stripes are a vibrant blue. Their pectoral fins are a real bright blue as well. When they come in lit up – you’ll pay attention.” Blue marlin remains a sportfishing dream – but for how much longer? 2020-08-10T04:00:00Z Another swimmer with the group was hit less seriously by one of the whales’ pectoral fins, which tore her hamstring. Three women injured swimming with whales in Australia in space of a week 2020-08-07T04:00:00Z Sternes was researching studying shark’s pectoral fins, trying to understand their purpose. Drones show California's great white sharks are closer — and more common — than you think 2021-05-04T04:00:00Z The second swimmer was struck by the same whale’s pectoral fin, which tore the swimmer’s hamstring, Nine reported. Humpback whale injures 2 swimmers off Australian coast 2020-08-03T04:00:00Z The second swimmer was struck by the same whale’s pectoral fin, which tore the swimmer’s hamstring, Nine reported. Humpback whale injures 2 swimmers off Australian coast 2020-08-03T04:00:00Z The whole specimen was incredible, but the pectoral fins generated particular excitement because no one had ever seen a complete pectoral fin of an elpistostegalian before. How a 380-Million-Year-Old Fish Gave Us Fingers 2020-06-17T04:00:00Z Inside the tip of Elpistostege’s front fins - called pectoral fins - were tiny bones called radial bones arranged in a series of rows like digits - the precursor to fingers. Fins of prehistoric fish reveal origins of the human hand 2020-03-19T04:00:00Z “One of the great evolutionary novelties is the emergence of pectoral fins,” he said. Drones show California's great white sharks are closer — and more common — than you think 2021-05-04T04:00:00Z For this study, they deftly placed the electrode-housing tag just below the left pectoral fin. We learned a lot about whales this year 2019-12-28T05:00:00Z In footage recorded off Baranof Island in south-east Alaska, whales corral young salmon in “bubble nets”, then rise up from beneath and swish the fish into their mouths with elaborate movements of their pectoral fins. Humpback whales recorded using huge fins to forage 2019-10-15T04:00:00Z As the team finished isolating the entire pectoral fin and girdle such that every bone could be studied in every aspect, we also began segmenting out internal features of the skull and braincase. How a 380-Million-Year-Old Fish Gave Us Fingers 2020-06-17T04:00:00Z Next, the whale lunged at the trapped prey while using its pectoral fins to prevent the fish from escaping, or to create currents that swept the fish toward its mouth. ‘Bingo!’ In a remarkable first, humpback whales spied using their fins to scoop up fish 2019-10-15T04:00:00Z “This does raise some serious questions regarding the function and purpose of the pectoral fin.” Drones show California's great white sharks are closer — and more common — than you think 2021-05-04T04:00:00Z The littlest J pod whale wagged her tiny pectoral fins as her mother playfully pushed her through the waves near the south end of Whidbey Island. Southern resident orcas, including newest baby, visit Puget Sound 2019-09-19T04:00:00Z With this she recorded some of the first footage of the whales using their pectoral fins to round up and capture prey. Humpback whales recorded using huge fins to forage 2019-10-15T04:00:00Z When Clement eventually began segmenting out the pectoral fin, we were at the edges of our seats. How a 380-Million-Year-Old Fish Gave Us Fingers 2020-06-17T04:00:00Z "There is some damage on its pectoral fins that we are hoping will heal." 'Strange animal' uncovered on Washington beach is 'incredibly rare' find 2019-03-19T04:00:00Z When attacked, the spines on its pectoral fins are also known to release a poison which is “generally harmless,” according to the report. Man drunkenly swallows prickly catfish after being inspired by TV show 'Jackass', case report says 2019-01-26T05:00:00Z Sometimes, Namu would even hold him close in his pectoral fins. The orca and the orca catcher: How a generation of killer whales was taken from Puget Sound 2018-12-13T05:00:00Z Analysis of the footage revealed that the whales used their pectoral fins in at least two ways. Humpback whales recorded using huge fins to forage 2019-10-15T04:00:00Z Why is the case for digit bones in the pectoral fins of Elpistostege more compelling than the earlier argument for digit bones in the pectoral fins of Panderichthys? How a 380-Million-Year-Old Fish Gave Us Fingers 2020-06-17T04:00:00Z Sometimes they even usher a few stragglers in with their pectoral fins, the researchers report in Marine Mammal Science. Watch humpback whales trick thousands of fish into becoming dinner 2018-11-26T05:00:00Z They spy hop to take a look around, belly flop, roll and slap their dorsal and pectoral fins. What you need to know about the critically endangered southern resident killer whales 2018-09-25T04:00:00Z The epaulette shark uses its pectoral fins and pelvic fins… they actually allow this shark to kind of walk! The life of a shark scientist 2018-09-04T04:00:00Z During “horizontal pectoral herding”, the whale creates a bubble net around the fish it is hunting and then rises up at an angle, using one pectoral fin to swish the fish into its mouth. Humpback whales recorded using huge fins to forage 2019-10-15T04:00:00Z We surmise from comparison with the bones of the Elpistostege fin that the mystery bones in the Panderichthys pectoral fin are probably equivalent to some of the carpal bones in the wrists of tetrapods. How a 380-Million-Year-Old Fish Gave Us Fingers 2020-06-17T04:00:00Z Instead, they flap and flutter enormous pectoral fins to swim in a style that resembles flying. These Skates Are Made for Walking 2018-02-08T05:00:00Z The animal also appeared to shield her with its pectoral fin. This week in odd news: Chase & embrace and ‘Amazing Grace’ 2018-01-12T05:00:00Z Although sharks use their pectoral fins to swim and position themselves over prey, questions were gradually raised about the functions of the shoulder girdle. These Sharks Feed in a Surprising Way 2017-07-18T04:00:00Z Great whites are often depicted bearing their multitude of jagged teeth, but Selwood's injuries were primarily from the pectoral fin. Why an 8-Foot Great White Shark Leapt Onto a Fishing Boat And the Tiktaalik fossil, for its part, did not preserve the complete tip of the pectoral fin, where one would expect to find digit bones if the animal had them. How a 380-Million-Year-Old Fish Gave Us Fingers 2020-06-17T04:00:00Z The shark’s pectoral fin hit Selwood on his forearm and knocked him on to his hands and knees as it scaled the boat’s engine and landed on the floor. Fisherman says great white shark jumping in his boat was 'just a mundane thing' 2017-05-28T04:00:00Z In August, she was photographed off the coast of Newport Beach with a rope through the left side of her mouth and around her pectoral fin. Newport lifeguards try to keep humpback whale carcass from reaching shore 2017-04-21T04:00:00Z The pectoral fin clip will be used to help age the fish. Research begins on sturgeon species 2017-04-08T04:00:00Z The shark's pectoral fin then hit his forearm and knocked him to his hands and knees. Why an 8-Foot Great White Shark Leapt Onto a Fishing Boat As the first complete elpistostegalian pectoral fin ever discovered, it was certain to contain vital clues to the transition from fins to limbs. How a 380-Million-Year-Old Fish Gave Us Fingers 2020-06-17T04:00:00Z Thurman says the whale is 25 to 30 feet long, and said fishing gear appeared to be tangled its pectoral fins. Dead humpback whale found at Port of Wilmington 2016-10-28T04:00:00Z Six albacore - known as “longfin tuna” because of their unusually lengthy pectoral fins - littered the boat floor after the first siege. Tuna fishing trip worth the rock-and-roll 2016-10-01T04:00:00Z Under state regulations, recreational anglers are required to clip the right pectoral fin of any striped bass 34 inches or larger. 2 men charged with failing to remove striped bass fins 2016-07-09T04:00:00Z The animal’s pectoral fins were submerged in an area adjacent to the marine science center pier to be observed using submersible vehicles. Dead gray whale submerged for scientific study 2016-05-28T04:00:00Z Typically the end of the pectoral fin skeleton contains small bones called radials that support the rodlike fin rays. How a 380-Million-Year-Old Fish Gave Us Fingers 2020-06-17T04:00:00Z Even though it has a somewhat flattened appearance and big pectoral fins like a ray, it actually propels itself with its powerful tail just like a shark. The Verge Review of Animals: sharks in Las Vegas 2016-01-10T05:00:00Z The fish flexes its body back and forth to move, and its spiny pectoral fin provides additional leverage. Which Fish Can Live Out of Water? 2015-12-05T05:00:00Z Instead of undulating its body like most fish, the opah propels itself by flapping its pectoral fins. 'Warm-blooded fish' traps its own heat in the deep - BBC News 2015-05-15T04:00:00Z "The opah appears to produce the majority of its heat by constantly flapping its pectoral fins which are used in continuous swimming," Wegner said. First Warm-Blooded Fish Discovered 2015-05-14T04:00:00Z We strongly suspected that these never-before-seen bones hidden in the pectoral fin of this ancient fish were actually digit bones similar to the ones found in the fingers of tetrapods. How a 380-Million-Year-Old Fish Gave Us Fingers 2020-06-17T04:00:00Z This tubby fish, about a meter long, swims by flapping its pectoral fins. Scientists discover first warm-bodied fish 2015-05-14T04:00:00Z To warm its organs, the fish harnesses the heat generated by rapidly flapping its pectoral fins. In a First, a Fish Is Shown to Be Fully Warm-Blooded 2015-05-14T04:00:00Z A transponder attached to the pectoral fin allows handlers to track the dolphin's location. Are animals the best allies in war? 2014-07-18T04:00:00Z We took some tissue samples for DNA, and took the leading pectoral fin rays to determine its age. Unusual fish being caught in Western Washington waters 2013-08-09T19:26:18Z The anatomical condition of the pectoral fins and digits we have described in Elpistostege suggests that we still need to fine-tune our understanding of the genetic and developmental mechanisms that drove their evolution. How a 380-Million-Year-Old Fish Gave Us Fingers 2020-06-17T04:00:00Z The Scimitar winglets, however, add two tips to each wing, one that turns up like a shark's dorsal fin and another that angles down like a pectoral fin. More people are working during vacation 2013-07-22T04:00:00Z The split scimitar winglets, however, add two tips to each wing: one that turns up like a shark’s dorsal fin and another that angles down like a pectoral fin. United Airlines to install 'winglets' on planes to save fuel 2013-07-21T19:00:00Z He dropped the fish to the bottom of the boat and we saw the he’d broken off its spiny dorsal fin and both pectoral fins. Scientist at Work Blog: Empty Nets on the Mekong 2013-05-06T10:29:38Z The oval suction disc extends from just past the nostrils to beyond the pectoral fins, which are the first fins as you run your eyes along the fish head to tail. How the sharksucker got its suction disc 2013-02-04T15:45:05.517Z Cameras are both high-definition and infrared for night use, mounted in a pectoral fin on the plane’s belly. This Solar-Powered Drone Will Watch You All Day 2012-08-16T19:21:33Z One example is the pectoral fins of fish, which actively bend under the control of many muscles at the fin base. Machine Counterpart: Nature's New Creatures 2012-05-08T16:45:00.240Z The animal, after it was wounded, made desperate efforts to free itself, and the harpoon had nearly given way, when the fish was secured by a rope thrown under the pectoral fins. Travels in the Interior of North America, Part I, (Being Chapters I-XV of the London Edition, 1843) Early Western Travels, 1748-1846, Volume XXII 2012-02-08T03:00:17.410Z Periophthalmus, per-i-of-thal′mus, n. a genus of acanthopterous fishes, allied to gobies, with protruding mobile eyes, pectoral fins that can be used as legs. Chambers's Twentieth Century Dictionary (part 3 of 4: N-R) 2012-01-30T03:00:13.887Z Not rarely, however, they may be seen floating on the surface of the water, with their broad, finely coloured pectoral fins spread out like fans. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 6 "Groups, Theory of" to "Gwyniad" 2011-12-16T03:00:12.320Z Light bluish on the back and white on the sides, with many small specks; dark spot at the base of the pectoral fins. Game Birds and Game Fishes of the Pacific Coast 2011-11-18T03:00:28.323Z They have large pectoral fins, and some species grow to an enormous size. Natural History in Anecdote Illustrating the nature, habits, manners and customs of animals, birds, fishes, reptiles, etc., etc., etc. 2011-11-12T03:00:32.773Z Finning Flipper slapping; the striking of the water's surface with the pectoral fins. Humpback Whales in Glacier Bay National Monument, Alaska 2011-08-17T02:00:28.850Z In all the Manatidæ the mammæ of the female, which are greatly distended during the period of lactation, are situated very differently from those of the whales, being just beneath the pectoral fins. Sea Monsters Unmasked and Sea Fables Explained 2011-07-11T02:00:07.857Z Besides the claspers, the males of many rays have clusters of strong sharp spines on their heads, and several rows along “the upper outer surface of their pectoral fins.” The Descent of Man and Selection in Relation to Sex Volume II (1st Edition) 2011-06-27T02:01:01.007Z It can always be distinguished from the yellow-fin by the distinct black spots at the base of the pectoral fins. Game Birds and Game Fishes of the Pacific Coast 2011-11-18T03:00:28.323Z I recognise it immediately as a lionfish - distinctive with its tracery of red-brown stripes and the high venomous spikes all along its back and protruding from its pectoral fins. A fish called Godzilla 2011-05-07T10:57:42Z The tap had come from her pectoral fin, weighing more than a ton. Whales? Grandeur and Grace, Up Close 2011-04-18T21:58:21Z It has very large pectoral fins with a remarkable muscular process attached to the inner ray. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 "Fleury, Claude" to "Foraker" 2011-04-03T02:00:20.883Z From the ventral to the pectoral fin one inch, eight lines. Lachesis Lapponica A Tour in Lapland, Volume 1 2010-12-31T03:00:11.350Z Flying fish rely on a similar flow of accelerated air from their pectoral fins to provide lift to their smaller pelvic fins. Flying snakes: Slithering through the air 2010-12-02T11:05:00Z Once airborne, they use long pectoral fins and shorter pelvic fins on the sides of their bodies to create lift, much like the wings of an aircraft. Flying fish: Natural-born gliders 2010-09-16T11:19:00Z Fishes having the ventral fins placed on the abdomen behind the pectoral fins; as in the salmon, trout, pike, mullet, and herring. Lives of Eminent Zoologists, from Aristotle to Linnæus with Introductory remarks on the Study of Natural History It is from 6 to 8 feet long, and takes its name from its pectoral fins, which are very large, extending horizontally like wings when spread. The New Gresham Encyclopedia. Vol. 1 Part 2 Amiel to Atrauli The upper part of their head is protected by strong osseous scutes, and both the dorsal and pectoral fins are armed with powerful spines. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 5 "Cat" to "Celt" The peculiarities of the eel are the rudimentary scales buried in the skin, the well-developed pectoral fins, the rounded tail fin continuous with the dorsal and ventral fins. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 1 "Edwardes" to "Ehrenbreitstein" The tips of the pectoral fins and the second dorsal were darker than the rest of the fish, and Rick identified it as a black-tipped shark. The Wailing Octopus The forelimb is transitional between the pectoral fin of Rhipidistia and the limb of early Amphibia. A New Order of Fishlike Amphibia From the Pennsylvanian of Kansas The pectoral fins are simply laid flat to the side in making the cast. Taxidermy He was nine feet long; his bull-dog head, the sixteen teeth in his jaw, his large pectoral fins shaped like little wings, his little tail with another pair of fins, made him an excellent specimen. The Voyages and Adventures of Captain Hatteras The albicore is another mackerel, blue above, and silver below, with a curious long pectoral fin on each side, about a foot in length. Fishing in British Columbia With a Chapter on Tuna Fishing at Santa Catalina Clawing frantically, Sandy clutched at the base of the enormous pectoral fin, clinging with maniacal strength, mad with fear. A Man to His Mate Ben threw a rope around one of the pectoral fins; and, after making it fast, the Catamaran lay moored alongside the cachalot, like some diminutive tender attached to a huge ship of war! The Ocean Waifs A Story of Adventure on Land and Sea They have large pectoral fins, but are not known to possess the power of supporting themselves in the air like the "flying fish" which belong to other genera. Austral English A dictionary of Australasian words, phrases and usages with those aboriginal-Australian and Maori words which have become incorporated in the language, and the commoner scientific words that have had their origin in Australasia Running between and from the pectoral fins a thick, fleshy process continues right up underneath the jaw. Practical Taxidermy A manual of instruction to the amateur in collecting, preserving, and setting up natural history specimens of all kinds. To which is added a chapter upon the pictorial arrangement of museums. With additional instructions in modelling and artistic taxidermy. It can thus move about as rapidly as in its usual position, by aid of its pectoral fins. The Western World Picturesque Sketches of Nature and Natural History in North and South America And so in reality he was, working his way up by means of his pectoral fins, David supposed in search of some of the minute Crustacea which clung to the roots. In the Wilds of Africa The pectoral fins or arms are not long, and are placed about two feet behind the angle of the lips. Old Jack The armlike pectoral fins are used for holding on to stones or seaweed. Austral English A dictionary of Australasian words, phrases and usages with those aboriginal-Australian and Maori words which have become incorporated in the language, and the commoner scientific words that have had their origin in Australasia Remove liver, and cut off body now behind pectoral fin. Text Book of Biology, Part 1: Vertebrata Its locomotion has been provided for likewise, for continued use along certain lines has so developed its pectoral fins that the creature uses them as legs, and jumps along at a surprising rate of speed. The Dawn of Reason or, Mental Traits in the Lower Animals They were swimming lazily about, rolling over on their sides until their pectoral fins appeared above the surface, and occasionally throwing themselves entirely out of the water. The Log of the Flying Fish A Story of Aerial and Submarine Peril and Adventure Here also were strange fish, like the eighteen-spined sculpin and the sea-robin, walking over the bottom on three free rays of each of the pectoral fins. The Boy With the U. S. Fisheries The pectoral fins are developed into regular legs, with which the fish hops or leaps along the mud flats . Austral English A dictionary of Australasian words, phrases and usages with those aboriginal-Australian and Maori words which have become incorporated in the language, and the commoner scientific words that have had their origin in Australasia These include the Flying Fishes, which take leaps from the water and are carried for many yards and to considerable heights, holding their enlarged pectoral fins taut or with little more than a slight fluttering. The Outline of Science, Vol. 1 (of 4) A Plain Story Simply Told The young are sometimes caught with their mothers, and are said to cling by holding on by the mouth to the base of the parent's pectoral fins. Natural History of the Mammalia of India and Ceylon The fore limbs also, instead of being pectoral fins, have the character of the arm and hand of the higher mammalia. The Northmen, Columbus and Cabot, 985-1503 The sunfish “hung motionless” in the water, their heads towards me, holding their position only by a slow flapping of their dorsal and pectoral fins. A Book of Natural History Young Folks' Library Volume XIV. Clutching with hand and foot both the dorsal and pectoral fins, his limbs spread spider-like against the surging torso, he rode as if he had been born to it. The Mantooth Flying Fish, with pectoral fins used as volplanes in a great leap due to the tail. The Outline of Science, Vol. 1 (of 4) A Plain Story Simply Told A very active species of Glanis, of dark olive-brown, was not sketched, but a spotted one, armed with offensive spikes in the dorsal and pectoral fins, was taken. The Last Journals of David Livingstone, in Central Africa, from 1865 to His Death, Volume II (of 2), 1869-1873 Continued By A Narrative Of His Last Moments And Sufferings, Obtained From His Faithful Servants Chuma And Susi The duyong is a very large sea-animal or fish, of the order of mammalia, with two large pectoral fins serving the purposes of feet. The History of Sumatra Containing An Account Of The Government, Laws, Customs And Manners Of The Native Inhabitants What I had before imagined to be either a spine or fin turned out to be a pectoral fin. Journals of Two Expeditions of Discovery in North-West and Western Australia, Volume 2 Sometimes these huge animals lay on their backs, and with their long pectoral fins beat the surface of the sea, which always caused a great noise, equal to the explosion of a swivel. A General History and Collection of Voyages and Travels — Volume 15 Forming A Complete History Of The Origin And Progress Of Navigation, Discovery, And Commerce, By Sea And Land, From The Earliest Ages To The Present Time The pectoral fins are small and of little use in swimming. Lippincott's Magazine Of Popular Literature And Science Old Series, Vol. 36—New Series, Vol. 10, July 1885 The form of the "pectoral fins" was quite unique—these having the shape of two long, curved spines, somewhat like wings, covered by finely-tuberculated ganoid plates. The Ancient Life History of the Earth A Comprehensive Outline of the Principles and Leading Facts of Palæontological Science The pectoral fin is missing, but it has the dorsal and anal fins, which it uses with great ability. Scientific American Supplement, No. 520, December 19, 1885 Length from tip of nose to pectoral fin 2 feet. Journals of Two Expeditions of Discovery in North-West and Western Australia, Volume 2 It is a cheironectes; one of a group in which the bones of the carpus form arms that support the pectoral fins, and enable these fishes to walk along the moist ground, almost like quadrupeds. Sketches of the Natural History of Ceylon "No—yes—well, the catechism, the marriage service, and—" "Oh, bother!" said the fish, playfully, smiling clean back to the pectoral fins; "get out of this and bolt your Æsop!" Cobwebs from an Empty Skull The coracoid bone is notched above the pectoral fin, the notch being terminated below by a spine, and above by an acute corner. Discoveries in Australia, Volume 1. With an Account of the Coasts and Rivers Explored and Surveyed During The Voyage of H.M.S. Beagle, in the Years 1837-38-39-40-41-42-43. By Command of the Lords Commissioners of the Admiralty. Also a Narrative Of Captain Owen Stanley's Visits to the Islands in the Arafura Sea. When sporting on the mud, the pectoral fins are used like legs, upon which they move very quickly; but nothing can exceed the instantaneous movement by which they disappear. Narrative of a Survey of the Intertropical and Western Coasts of Australia Performed between the years 1818 and 1822 — Volume 2 This latter movement is effected solely by the aid of the pectoral fins; the tail being collapsed, and not used. The Voyage of the Beagle They are easily distinguished from the sharks by their broad and flat body, the pectoral fins being expanded like wings on each side of the trunk. Sketches of the Natural History of Ceylon The pectoral fins, which are large and broad and united to the sides of the body and head, give a somewhat rhombic form to these fishes. The Gutenberg Webster's Unabridged Dictionary Section S A speck of the same colour exists within the upper limb of the preoperculum, and immediately behind the pectoral fin there is a large oblong one. Discoveries in Australia, Volume 1. With an Account of the Coasts and Rivers Explored and Surveyed During The Voyage of H.M.S. Beagle, in the Years 1837-38-39-40-41-42-43. By Command of the Lords Commissioners of the Admiralty. Also a Narrative Of Captain Owen Stanley's Visits to the Islands in the Arafura Sea. Body 2 3/4 high; dorsal fin 3/4; pectoral fin 1 1/4 inches long. Narrative of a Survey of the Intertropical and Western Coasts of Australia Performed between the years 1818 and 1822 — Volume 2 They have several slender filaments, often very long, below the pectoral fin. The Gutenberg Webster's Unabridged Dictionary Section P and Q It has a hornlike organ projecting forward from each pectoral fin. The Gutenberg Webster's Unabridged Dictionary Section M, N, and O But the pectoral fin of a fish is equally 'adapted' for aquatic locomotion, but it is certainly not the fore-leg of a terrestrial mammal adapted for that purpose. Hormones and Heredity "It does, my dear," replied her father: "do you understand the meaning of pectoral fins?" Domestic Pleasures, or, the Happy Fire-side The gills flat, unarmed; pectoral fin subacute, triangular; ventral fin triangular, supported by a very strong first ray; dorsal and anal fins rounded. Narrative of a Survey of the Intertropical and Western Coasts of Australia Performed between the years 1818 and 1822 — Volume 2 He lies just awash, gently undulated by the long, low swell, one pectoral fin slowly waving like some great stray leaf of Fucus gigantea. Short Stories and Selections for Use in the Secondary Schools It has several long, slender filaments below the pectoral fins. The Gutenberg Webster's Unabridged Dictionary Section M, N, and O In these two species the lateral line is nearly straight, having only a slignt curve above the pectoral fin. Hormones and Heredity Instead of feet, they are provided with pectoral fins, and a horizontally flattened tail, fitted for swimming. Domestic Pleasures, or, the Happy Fire-side In quick succession three out of the four bullets the magazine contained penetrated its body just abaft the pectoral fins. My Tropic Isle In the same manner, when one insulated person holds the tail of a vigorous gymnotus, and another pinches the gills or pectoral fin, it is often the first only by whom the shock is received. Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 2 They differ from the common eel in lacking pectoral fins and in having the dorsal and anal fins continuous. The Gutenberg Webster's Unabridged Dictionary Section M, N, and O P. limanda, the Dab: scales uniform all over the body, with spinules on the projecting edges, making the skin rough; lateral line with a semicircular curve above the pectoral fin. Hormones and Heredity What are the pectoral fins, and what is their use? Domestic Pleasures, or, the Happy Fire-side Let us go to the codfish: here you see is the forearm, in this large pectoral fin—carrying your mind's eye onward from the flapper of the porpoise. Darwiniana : Essays — Volume 02 The torpedo moves the pectoral fins convulsively every time it emits a stroke; and this stroke is more or less painful, according as the immediate contact takes place by a greater or less surface. Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 2 Notwithstanding the extreme rapidity of this motion, it is certain, that the animal beats the air during the leap; that is, it alternately extends and closes its pectoral fins. Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1 As its name indicates, it has fin-like hands; that is to say, the pectoral fins are supported by a kind of long wrist-like appendage, and the rays of the ventrals are not unlike rude fingers. Louis Agassiz: His Life and Correspondence There are also a lot of those weird, semi-transparent, yellow, spotted little sandfish with cup-shaped pectoral fins, which I see they use to enable them to make their astoundingly long leaps. Travels in West Africa The head is decorated with bands of pink, orange and green; the pectoral fins are pale green with a bold medial stripe of puce, and the tail is a study of blue-green and puce. Confessions of a Beachcomber Nor did I feel any when I made a slight incision near the pectoral fin of the fish, and galvanized the wound by the contact of two pieces of zinc and silver. Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 2 Why should not these gambols be more frequent with the flying-fish, which from the strength of their pectoral fins, and the smallness of their specific gravity, can so easily support themselves in the air? Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1 Besides the claspers, the males of many rays have clusters of strong sharp spines on their heads, and several rows along "the upper outer surface of their pectoral fins." The Descent of Man The shot delivered by the captain had taken deadly effect, the bomb having entered the creature's side low down, directly abaft the pectoral fin. The Cruise of the Cachalot Round the World After Sperm Whales The cabin-boys amuse themselves with cutting off a part of the pectoral fins, and assert, that these wings grow again; which seems to me not unlikely, from facts observed in other families of fishes. Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1 In a young flying-fish, 5.8 inches long, each of the pectoral fins, which serve as wings, presented a surface to the air of 3 7/16 square inches. Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1 |
| 随便看 |
英语例句辞典收录了117811条英语例句在线翻译词条，基本涵盖了全部常用单词及词组的例句翻译及用法，是英语学习的有利工具。