| 单词 | ramus |
| 例句 | This large opening is defined by the inferior margin of the pubic symphysis anteriorly, and the ischiopubic ramus, the ischial tuberosity, the sacrotuberous ligament, and the inferior tip of the coccyx posteriorly. Anatomy and Physiology 2013-06-19T00:00:00Z The mouse sensory barrel cortex was activated by stimulation of the contralateral ramus infraorbitalis of the trigeminal nerve using a set of custom-made bipolar electrodes inserted percutaneously. Capillary pericytes regulate cerebral blood flow in health and disease 2014-04-04T18:24:22.627Z The tumor first appears in the depression between the mastoid process and the ramus of the jaw, which it fills up, and at the same time thrusts outward the lobe of the ear. A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases 2012-03-17T02:00:54.097Z The horizontal ramus, long, straight, and compressed, gradually narrows towards the symphysis, where it expands laterally to form with the ankylosed opposite ramus the wide, semicircular, shallow alveolar border for the incisor teeth. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 6 "Home, Daniel" to "Hortensius, Quintus" 2012-03-15T02:00:32.250Z Thus, when acting as swimming organs, the appendages, or their rami, are more or less flattened, or oar-like, and often have the margins fringed with long plumose hairs. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" 2012-01-22T03:00:24.397Z This ligament spans the distance between the base of the skull and the lingula on the medial side of the mandibular ramus. Anatomy and Physiology 2013-06-19T00:00:00Z Were these expressions merely jocular, or have any papal canonists or casuists given the title of fili�, nepotes or rami to offences deducible from the same root? Notes and Queries, Vol. IV, Number 98, September 13, 1851 A Medium of Inter-communication for Literary Men, Artists, Antiquaries, Genealogists, etc. 2012-01-05T03:00:41.160Z The hyoid bone in quadrupeds is situated between the two rami or branches of the lower jaw. Artistic Anatomy of Animals 2011-12-17T03:00:16.893Z Its posterior end rests against the anterior surface of the transverse process of the atlas, from which it extends forwards and downwards, slightly curved, to beneath the ramus of the jaw. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 6 "Home, Daniel" to "Hortensius, Quintus" 2012-03-15T02:00:32.250Z When used for walking, one of the rami, usually the inner, is stout and cylindrical, terminating in a claw, and having the segments united by definite hinge-joints. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" 2012-01-22T03:00:24.397Z The ramus on each side of the mandible has two upward-going bony projections. Anatomy and Physiology 2013-06-19T00:00:00Z Michigan; left mandibular ramus bearing m1-m3 and incisor; Saw Rock Canyon, early late Pliocene, XI member of the Rexroad formation, sec. Speciation and Evolution of the Pygmy Mice, Genus Baiomys 2011-12-15T03:00:11.933Z Arising from the zygomatic arch, and passing downwards and backwards, it is inserted into the external surface of the ramus of the mandible and into its angle. Artistic Anatomy of Animals 2011-12-17T03:00:16.893Z The facial portion of the skull is very short; a long process of the maxillary bone descends from the anterior part of the zygomatic arch; and the ascending ramus of the mandible is remarkably high. Encyclopaedia Britannica, 11th Edition, Volume 12, Slice 2 "Gloss" to "Gordon, Charles George" 2011-10-31T02:00:28.703Z In the Isopoda the respiratory function has been taken over by the abdominal appendages, both rami or only the inner becoming thin or flattened. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" 2012-01-22T03:00:24.397Z Mandibular foramen—This opening is located on the medial side of the ramus of the mandible. Anatomy and Physiology 2013-06-19T00:00:00Z The anterior rami terminate at about the mid-level of the orbit, and the medial rami articulate firmly with the anterolateral corner of the otic capsule. A Synopsis of Neotropical Hylid Frogs, Genus Osteocephalus 2011-10-04T02:00:15.227Z The deep portion arises from the portion of the alveolar border of the superior maxillary bone which corresponds to the molar teeth, and from the anterior border of the ramus of the mandible. Artistic Anatomy of Animals 2011-12-17T03:00:16.893Z The rods comprising the lateral fringe, or vane, are known as the rami or the “barbs,” and will be found, on microscopic examination, to be lath-shaped and to taper to a point. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 2 "Fairbanks, Erastus" to "Fens" 2011-06-19T02:00:16.580Z The left half of the lower jaw is higher than the right, the body of the lower jaw is longer, the ramus is shorter. Degeneracy Its Causes, Signs and Results 2011-05-02T02:00:17.657Z It is located immediately next to the mandibular foramen, on the medial side of the ramus. Anatomy and Physiology 2013-06-19T00:00:00Z In each species the anterior ramus lies adjacent to the premaxillary, and the lateral wings form the anterior, medial, and posteromedial margins of the internal nares. A Synopsis of Neotropical Hylid Frogs, Genus Osteocephalus 2011-10-04T02:00:15.227Z Tongue cordiform, shallowly notched behind and barely free posteriorly; vomerine teeth 4-3, situated on transverse elevations between ovoid inner nares; openings to vocal sac large, one situated along inner posterior edge of each mandibular ramus. A Review of the Middle American Tree Frogs of the Genus Ptychohyla 2011-02-28T03:00:32.093Z The symphysis, which completely blends the rami of the jaw, is short. Dragons of the Air An Account of Extinct Flying Reptiles 2011-02-20T03:00:13.067Z Some of them pass the time at cafes playing a card game called rami. Slap to a Man?s Pride Set Off Tumult in Tunisia 2011-01-22T02:55:02Z The pubis is joined to the ilium by the superior pubic ramus, the superior surface of which forms the pectineal line. Anatomy and Physiology 2013-06-19T00:00:00Z The posterior rami are short; the zygomatic rami of all species, except taurinus, extend slightly more than one-half of the distance to the maxillary. A Synopsis of Neotropical Hylid Frogs, Genus Osteocephalus 2011-10-04T02:00:15.227Z Tongue ovoid, barely notched behind and slightly free posteriorly; vomerine teeth 2-3, situated on -shaped elevations between round inner nares; openings to vocal sac large, one situated along inner posterior edge of each mandibular ramus. A Review of the Middle American Tree Frogs of the Genus Ptychohyla 2011-02-28T03:00:32.093Z A small caliber bullet had passed through the ramus of the left mandible and had entered the base of the cranium. An Experimental Translocation of the Eastern Timber Wolf 2011-01-21T03:00:13.917Z The more primitive forms have branchial respiratory processes developed on a ramus of each of the post-oral appendages. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 "Armour Plates" to "Arundel, Earls of" The pubic arch is formed by the pubic symphysis, the bodies of the adjacent pubic bones, and the two inferior pubic rami. Anatomy and Physiology 2013-06-19T00:00:00Z In taurinus the zygomatic ramus extends nearly to, or articulates with, the maxillary. A Synopsis of Neotropical Hylid Frogs, Genus Osteocephalus 2011-10-04T02:00:15.227Z Dorsal view of second thoracic leg with and without setae. en, Inner ramus; ex, Outer ramus. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 "Apollodorus" to "Aral" A part of this material, on loan to the University of Kansas from the California Institute of Technology, contains 26 rami and one rostrum of soricid insectivores. Pleistocene Soricidae from San Josecito Cave, Nuevo Leon, Mexico Sometimes the pair of appendages has not a merely tactile jointed ramus, but is converted into a claw or clasper. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 "Armour Plates" to "Arundel, Earls of" The infratemporal fossa is located below the zygomatic arch and deep to the ramus of the mandible. Anatomy and Physiology 2013-06-19T00:00:00Z The anterior half of the medial tendon lies ventral to the lateral edge of M. pseudotemporalis profundus and the mandibular ramus of the trigeminal nerve. Jaw Musculature of the Mourning and White-winged Doves The terminal segments of all the rami, bearing the long plumose spines, are directed backwards. A Monograph on the Sub-class Cirripedia With Figures of all the Species. One right ramus, bearing all three molars but lacking the other teeth and the tip of the coronoid process, needs close comparison only with certain of the smaller North American species of Sorex. Pleistocene Soricidae from San Josecito Cave, Nuevo Leon, Mexico These have small and insignificant rami, or none at all, a feature in which the Arachnida differ from them. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 "Armour Plates" to "Arundel, Earls of" The superior pubic ramus is the segment of bone that passes laterally from the pubic body to join the ilium. Anatomy and Physiology 2013-06-19T00:00:00Z The anterior margin of the origin is at the point where the mandibular ramus of the trigeminal nerve enters the mandible. Jaw Musculature of the Mourning and White-winged Doves First cirrus and anterior ramus of second cirrus with broad brushes of bristles. A Monograph on the Sub-class Cirripedia With Figures of all the Species. One of these is a right ramus, C. I. T. No. 3943, and is complete except for the canine. Pleistocene Soricidae from San Josecito Cave, Nuevo Leon, Mexico With rare exceptions, branchial plates are developed either by modification of a ramus of the limbs or as processes on a ramus, or upon the sides of the body. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 "Armour Plates" to "Arundel, Earls of" The narrow ridge running along the superior margin of the superior pubic ramus is the pectineal line of the pubis. Anatomy and Physiology 2013-06-19T00:00:00Z Medial view of left ramus of lower mandible of Mourning Dove. × 2-1/2. Jaw Musculature of the Mourning and White-winged Doves Both rami of third cirrus with a longitudinal row of minute spines, parallel to the main pairs. A Monograph on the Sub-class Cirripedia With Figures of all the Species. "B" is a right ramus bearing m2 and the roots of m3 and is broken off at the middle of the alveolus of m1. Pleistocene Soricidae from San Josecito Cave, Nuevo Leon, Mexico In all cases the appendages primarily develop rami or branches which form the limbs, the primitive axis or corm being reduced and of insignificant size. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 "Armour Plates" to "Arundel, Earls of" Extending downward and laterally from the body is the inferior pubic ramus. Anatomy and Physiology 2013-06-19T00:00:00Z Lateral view of right ramus of lower mandible of Mourning Dove. × 2-1/2. Jaw Musculature of the Mourning and White-winged Doves The second cirrus has its anterior ramus not at all thicker than the posterior ramus; but has an exterior third longitudinal row of small bristles. A Monograph on the Sub-class Cirripedia With Figures of all the Species. An additional unnumbered ramus is of somewhat lighter construction than the holotype, but is important since it bears not only the incisor and p4 but also the first two lower molars. Pleistocene Pocket Gophers From San Josecito Cave, Nuevo Leon, Mexico Terrestrial forms with small-jointed legs formed by adaptation of a single ramus of the appendage. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 "Armour Plates" to "Arundel, Earls of" The pubic arch is the bony structure formed by the pubic symphysis, and the bodies and inferior pubic rami of the adjacent pubic bones. Anatomy and Physiology 2013-06-19T00:00:00Z The angle formed between the recurved dorsal ramus and the edge of the ventral flange is seen in our specimen to be less than 90°. A New Order of Fishlike Amphibia From the Pennsylvanian of Kansas Fifteen segments in the sixth cirrus; nine in the longer ramus of the first cirrus. A Monograph on the Sub-class Cirripedia With Figures of all the Species. If the jaw were at almost any angle but maximum depression, the greatest component of force would be mediad, pulling the rami together and not upward. The Adductor Muscles of the Jaw In Some Primitive Reptiles Such chelate rami or limb-branches are independently developed in Crustacea and in Arachnida, and are carried by somites of the body which do not correspond in position in the two groups. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 "Armour Plates" to "Arundel, Earls of" The inferior pubic ramus extends downward to join the ischial ramus. Anatomy and Physiology 2013-06-19T00:00:00Z Fractures of the angle and through the ramus are less common, and are not attended with deformity, as the fragments are retained in position by the masseter and internal pterygoid muscles. Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. In the fourth cirrus there is no trace of this peculiar structure, the rami being equal in length and strength. A Monograph on the Sub-class Cirripedia With Figures of all the Species. Approximately the anterior half of each ramus lies beneath the tooth-row. The Adductor Muscles of the Jaw In Some Primitive Reptiles The specimen consists of the right ramus of the lower jaw, carrying the third and fourth premolars and the canine. On The Affinities of Leptarctus primus of Leidy American Museum of Natural History, Vol. VI, Article VIII, pp. 229-331. This neuron then projects to a target effector—in this case, the trachea—via gray rami communicantes, which are unmyelinated axons. Anatomy and Physiology 2013-06-19T00:00:00Z Additional security may be given by a light poroplastic or gutta-percha splint fitted to the chin, the vertical portion passing well up the ramus of the jaw. Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. Caudal appendages four times as long as the pedicels of the sixth cirrus: rami of the first cirrus unequal in length by about six segments. A Monograph on the Sub-class Cirripedia With Figures of all the Species. The fibers of this mass were nearly vertically oriented in lateral aspect since the parts of the ramus that are available for their insertion lie within the anteroposterior extent of the adductor chamber. The Adductor Muscles of the Jaw In Some Primitive Reptiles Nerve force is not generated in the sympathetic system; the cerebro-spinal nerve force is conveyed to the ganglia by the rami communicantes and in the ganglia is transformed into sympathetic nerve force. Philosophy of Osteopathy The ramus was then seized by a strong pair of tooth-forceps, and notwithstanding strong posterior attachments, was drawn outwards, its muscular connections divided and turned out entire. A Manual of the Operations of Surgery For the Use of Senior Students, House Surgeons, and Junior Practitioners When it originates in the pillars of the fauces it implicates the ascending ramus. Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. The anterior rami of the second and third cirri are thicker, and more thickly clothed with spines, than the posterior rami, to perhaps a greater degree than in I. Cumingii. A Monograph on the Sub-class Cirripedia With Figures of all the Species. The mandibular ramus is ventrally convex in both genera. The Adductor Muscles of the Jaw In Some Primitive Reptiles By clearing the muscle by the ramus of the jaw, VII. may be seen, and the third branch of V., running across the jaw at about the middle of its length. Text Book of Biology, Part 1: Vertebrata Erichsen in one case excised "the upper end of the femur, the acetabulum, the rami of the pubis, and of the ischium, a portion of the tuber ischii, and part of the dorsum ilii." A Manual of the Operations of Surgery For the Use of Senior Students, House Surgeons, and Junior Practitioners When the ascending ramus is involved, precautions must be taken to prevent fixation of the jaw taking place during the healing process. Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. The longer ramus of the anterior cirrus, in the best-developed individual, barely exceeded in length the mandibles measured along the line of the teeth! A Monograph on the Sub-class Cirripedia With Figures of all the Species. Each ramus is slightly convex in lateral outline. The Adductor Muscles of the Jaw In Some Primitive Reptiles Cutting through the mesentery supporting the kidney laterally, the dorsal aorta is exposed, and on either side of it the sympathetic chain and rami communicantes, often tinged with black pigment. Text Book of Biology, Part 1: Vertebrata Fractures of the ascending ramus and body were more frequent. Surgical Experiences in South Africa, 1899-1900 Being Mainly a Clinical Study of the Nature and Effects of Injuries Produced by Bullets of Small Calibre When the angle or the ascending ramus of the mandible or the facial portion of the maxilla is involved, it is not possible to avoid making an external opening. Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. Third pair, with the two rami equal in thickness, and with the segments differing very little from those of the posterior cirri, excepting that the serrated spines in the external lateral rows are rather larger. A Monograph on the Sub-class Cirripedia With Figures of all the Species. The coronoid process in Captorhinus is not oriented vertically, but slopes inward toward the midline at approximately 45 degrees, effectively roofing the Meckelian fossa and limiting its opening to the median surface of each ramus. The Adductor Muscles of the Jaw In Some Primitive Reptiles In the presence of ganglia corresponding to the spinal nerves, and of rami communicantes, it resembles that of the rabbit. Text Book of Biology, Part 1: Vertebrata The French ‘rame’, an oar, is ‘remus’, but that modified by an unconscious recollection of ‘ramus’. English Past and Present He considered that the mandibles and first maxillæ of Arthropods were the homologues of the upper and lower jaws of Vertebrates, adducing as confirmatory evidence the fact that in snakes the rami are separate. Form and Function A Contribution to the History of Animal Morphology First cirrus rather short, segments not very broad; second cirrus with the rami nearly equal in length, anterior ramus rather thicker than the posterior ramus, with three longitudinal rows of spines. A Monograph on the Sub-class Cirripedia With Figures of all the Species. The fossa is lateral to much of the adductor chamber; consequently muscles arising from the parietals passed ventrolaterally, parallel to the oblique quadrate ramus of the pterygoid, to their attachment on the mandible. The Adductor Muscles of the Jaw In Some Primitive Reptiles Thence, backwards, there is a ganglion on each sympathetic chain opposite each spinal nerve, and the two exchange fibres through a thread, the ramus communicans. Text Book of Biology, Part 1: Vertebrata The lower jaw is very massive, and the ascending ramus unusually large, extending far above the zygomatic arch, forming almost a right angle with equal arms. Natural History of the Mammalia of India and Ceylon These naked portions are often colored red and there is a large more or less squarish fleshy knob at the base of the upper ramus of the beak. Animal Figures in the Maya Codices First cirrus not very short; rami nearly equal, with the four terminal segments of both tapering; all the basal segments much thicker, and thickly covered with bristles. A Monograph on the Sub-class Cirripedia With Figures of all the Species. The bone is to be grasped by the rami and dragged down until the teeth resume and retain their natural position, and the jaw is then to be kept in place by a suitable bandage. Gilbertus Anglicus Medicine of the Thirteenth Century Ye mean well, but ye're the ignorantest ramus I ever seen. Sevenoaks The bones of the lower jaw are not united at the symphysis, but are held together by strong fibrous bands; the two rami are very much rounded and arched outwards; there are no teeth. Natural History of the Mammalia of India and Ceylon The remains of this species consist of a fragment of the right ramus of the lower jaw. Three Expeditions into the Interior of Eastern Australia, Volume 2 There appeared to be six segments in the rami of the sixth pair, each segment bearing two or three pair of long spines. A Monograph on the Sub-class Cirripedia With Figures of all the Species. Canton mentions arrest of development of the left perpendicular ramus of the lower jaw combined with malformation of the external ear. Anomalies and Curiosities of Medicine There is diminution in the number of fibers of the branches and roots of the ramus superior and ramus medius of the eighth nerve, and the fiber bundles are very loosely bound together. The Dancing Mouse A Study in Animal Behavior They talked oframi, which I thought meant oars; but rami, had I known it, meant the separate branches or streams whereby these torrential rivers of Italy flow through their arid beds. The Path to Rome Part of right ramus, with spurious and 2nd molar. Three Expeditions into the Interior of Eastern Australia, Volume 2 Third cirrus with the anterior ramus having six, and the posterior ramus five segments, also similarly characterised. A Monograph on the Sub-class Cirripedia With Figures of all the Species. Tomes gives a description of a lower jaw the development of the left ramus of which had been arrested. Anomalies and Curiosities of Medicine Right ramus of lower jaw, magnified two diameters. a. The Student's Elements of Geology In all, five additional rami spring from the combined fissure. Christian Science I apply this name to the genus of Mammalia represented by the anterior extremity of the right ramus, lower jaw, with a single large procumbent incisor. Three Expeditions into the Interior of Eastern Australia, Volume 2 In this same specimen, the anterior ramus of the second cirrus had twelve segments, of which the five basal ones were highly protuberant, and thickly clothed with non-serrated spines. A Monograph on the Sub-class Cirripedia With Figures of all the Species. He exhibited a linear cicatrix one inch long near the angle of the ramus of the left lower jaw. Anomalies and Curiosities of Medicine The form of ramus of jaw differs curiously in these jaws. More Letters of Charles Darwin — Volume 1 On the lower segments in both rami of all the limbs, there is a single spine. A Monograph on the Sub-class Cirripedia With Figures of all the Species. The remains of this species consist of a fragment of the right ramus of the lower jaw. Three Expeditions into the Interior of Eastern Australia, Volume 2 In the third cirrus the basal segments of the anterior ramus are highly protuberant. A Monograph on the Sub-class Cirripedia With Figures of all the Species. The muscles running into the pedicels of the cirri, cross each other on the ventral surface of the thorax; the muscles within the rami are attached to the upper segments of the pedicels. A Monograph on the Sub-class Cirripedia With Figures of all the Species. The rami of each pair are either equal in length or slightly unequal: those of the first pair are oftenest unequal. A Monograph on the Sub-class Cirripedia With Figures of all the Species. The lower segments of the anterior ramus of the third cirrus is generally, though not always, thus paved: these paved segments are much broader than the others. A Monograph on the Sub-class Cirripedia With Figures of all the Species. Anterior part of the right ramus of lower jaw. Three Expeditions into the Interior of Eastern Australia, Volume 2 The basal segments in the posterior rami of both these cirri, are slightly protuberant, but otherwise resemble the segments in the three posterior pair. A Monograph on the Sub-class Cirripedia With Figures of all the Species. The posterior rami of the second and third cirri are often in some slight degree paved, though in other cases they resemble the three posterior pair of cirri. A Monograph on the Sub-class Cirripedia With Figures of all the Species. In the same specimen the first cirrus on one side was monstrously thick and curled; the second cirrus had its posterior ramus in a rudimentary condition. A Monograph on the Sub-class Cirripedia With Figures of all the Species. The segments in none of the species are protuberant; the anterior ramus of the second cirrus does not seem to be thicker than the posterior ramus, as is usually the case. A Monograph on the Sub-class Cirripedia With Figures of all the Species. Part of the right ramus of the lower jaw, exhibiting a corresponding stage of dentition. Three Expeditions into the Interior of Eastern Australia, Volume 2 In a specimen in which the sixth cirrus had eighteen segments, the shorter ramus of the first pair had ten segments, of which the five lower segments were thick and clothed with doubly serrated spines. A Monograph on the Sub-class Cirripedia With Figures of all the Species. Cirri in a miserable state of preservation; first cirrus short, second cirrus with rami unequal, and I suspect the anterior one the longest; some of the other cirri also have unequal rami. A Monograph on the Sub-class Cirripedia With Figures of all the Species. Pedicels of the cirri long; rami rather short; segments elongated, not protuberant. A Monograph on the Sub-class Cirripedia With Figures of all the Species. To this same species there is an evident affinity in the form of the mandibles and of the caudal appendages, and in the anterior rami of the cirri being longer than the posterior rami. A Monograph on the Sub-class Cirripedia With Figures of all the Species. Cirri.—The rami in all are rather unequal in length, the anterior rami being rather the longest; the anterior rami of the second and third cirri are not thicker than the posterior rami. A Monograph on the Sub-class Cirripedia With Figures of all the Species. In the third cirrus, the two rami are nearly equally thick, with some of the basal segments in both clothed, like a brush, with spines. A Monograph on the Sub-class Cirripedia With Figures of all the Species. Cirri.—The first pair are placed at a considerable distance from the second pair; they are short with equal rami, and rather broad segments furnished with a few transverse rows of bristles. A Monograph on the Sub-class Cirripedia With Figures of all the Species. Mandibles with four teeth; maxill� notched, with the lower part of edge nearly straight, prominent; anterior ramus of the second cirrus thicker than the posterior ramus; caudal appendages, uniarticulate, spinose. A Monograph on the Sub-class Cirripedia With Figures of all the Species. Cirri rather short, broad, with the anterior faces of the segments protuberant, especially those of the first cirrus and of the anterior ramus of the second pair: spines on the anterior cirri doubly serrated. A Monograph on the Sub-class Cirripedia With Figures of all the Species. Filamentary Appendages, situated beneath the basal articulation of the first cirrus, on the posterior edge of the usual enlargement; acuminated, about two thirds of the length of the shorter ramus of the first cirrus. A Monograph on the Sub-class Cirripedia With Figures of all the Species. Spines on the protuberant segments of both rami of both cirri, coarsely and doubly pectinated. A Monograph on the Sub-class Cirripedia With Figures of all the Species. Outer maxill� with the inner bristles divided into two groups; segments of the posterior cirri extremely numerous, each with one pair of main spines; inner rami of the fifth and sixth cirri rudimentary. A Monograph on the Sub-class Cirripedia With Figures of all the Species. The rudimentary ramus is only one seventh part longer than the pedicel which supports both it and the normal ramus. A Monograph on the Sub-class Cirripedia With Figures of all the Species. In the fifth cirrus, the rudimentary ramus is rather longer, and has thirteen segments, resembling those in the rudimentary ramus of the sixth. A Monograph on the Sub-class Cirripedia With Figures of all the Species. Caudal appendages barely exceeding in length the pedicels of the sixth cirrus: rami of the first cirrus unequal in length by about two segments. A Monograph on the Sub-class Cirripedia With Figures of all the Species. First cirrus, anterior ramus rather shorter and thicker than the posterior ramus; basal segments thickly paved with serrated spines; in the posterior ramus, the six terminal segments are not paved with bristles. A Monograph on the Sub-class Cirripedia With Figures of all the Species. The first cirrus is rather short, with the rami unequal in length by about two segments: the anterior ramus is shorter and thicker than the other: segments numerous, each clothed with several rows of bristles. A Monograph on the Sub-class Cirripedia With Figures of all the Species. First cirrus has its two rami unequal in length by about six segments. A Monograph on the Sub-class Cirripedia With Figures of all the Species. All have the appearance of immaturity, with their pedicels very long in proportion to their rami; the latter are slightly unequal in length, even in the sixth pair. A Monograph on the Sub-class Cirripedia With Figures of all the Species. First pair, elongated, having numerous segments, namely, seventeen, whilst the sixth pair in the same individual had only twenty-one segments; rami nearly equal; segments short, nearly cylindrical, thickly clothed with long serrated spines. A Monograph on the Sub-class Cirripedia With Figures of all the Species. Segments much elongated, seven in number; I may add for comparison that each ramus of the sixth cirrus contained, in this specimen, sixteen or seventeen segments. A Monograph on the Sub-class Cirripedia With Figures of all the Species. First cirrus with rami, slightly unequal in length; not short; basal segments much thicker and more protuberant than the upper segments. A Monograph on the Sub-class Cirripedia With Figures of all the Species. Second cirrus; anterior ramus with six or seven basal segments highly protuberant, and crowded with spines; posterior ramus with about six segments, similarly characterised. A Monograph on the Sub-class Cirripedia With Figures of all the Species. In the second cirrus the anterior ramus had fifteen segments, of which the four basal ones were highly protuberant, and thickly clothed with spines. A Monograph on the Sub-class Cirripedia With Figures of all the Species. The basal segments of the posterior rami of the second and third cirri, differ from the three posterior cirri only in the spines being slightly more numerous; but none of them are pectinated. A Monograph on the Sub-class Cirripedia With Figures of all the Species. In the posterior rami, however, of both the second and third cirri, it is difficult to draw any distinct line between the paved segments and the others. A Monograph on the Sub-class Cirripedia With Figures of all the Species. In one specimen from the Antarctic expedition, there were only here and there a single shield on the segments of the posterior rami, and no plate on the prosoma. A Monograph on the Sub-class Cirripedia With Figures of all the Species. In the lower segments, these spines are exceedingly unequal in length, the inner spines on both rami, not being above one fourth of the length of the outer corresponding spine in each pair. A Monograph on the Sub-class Cirripedia With Figures of all the Species. Second cirrus, with the anterior ramus slightly thicker than the posterior ramus: a few of the basal segments of both rami are protuberant, and thickly clothed with spines. A Monograph on the Sub-class Cirripedia With Figures of all the Species. Second and third cirri with five basal segments of both rami protuberant and brush-like; but the anterior rami in both cirri are broader than the posterior rami. A Monograph on the Sub-class Cirripedia With Figures of all the Species. The cirri are composed of two arms or rami, supported on a common segment or support, which I call the pedicel. A Monograph on the Sub-class Cirripedia With Figures of all the Species. In L. cauta alone, none of the basal segments in the posterior rami of the second and third cirri are thickly paved with bristles. A Monograph on the Sub-class Cirripedia With Figures of all the Species. First cirrus, with its anterior ramus much thicker than the posterior ramus, and of nearly equal length; all the segments, except the two terminal ones, thickly clothed with serrated spines. A Monograph on the Sub-class Cirripedia With Figures of all the Species. |
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