| 单词 | Comatula |
| 例句 | The so-called Pentacrinus increases considerably in size, and after various gradual changes, which time does not now permit me to describe, quits the stalk, and becomes a free Comatula. On the Origin and Metamorphoses of Insects 2011-12-05T03:00:46.667Z On the opposite side of the disk the Comatula is covered with plates, arranged regularly around a central plate, which is itself covered with long cirri. Seaside Studies in Natural History Marine Animals of Massachusetts Bay. Radiates. 2011-03-07T03:00:13.343Z All these crinoids were like star-fishes on stalks, and of the existing forms, Pentacrinus still passes the whole of its life, and Comatula its youth, in a stalked condition. The Contemporary Review, Volume 36, September 1879 The Comatula rosacea, one of the most beautiful of British star-fishes. The Sailor's Word-Book An Alphabetical Digest of Nautical Terms, including Some More Especially Military and Scientific, but Useful to Seamen; as well as Archaisms of Early Voyagers, etc. The modern Crinoid without stem, or the Comatula, though agreeing with the ancient in all the essential elements of structure, differs from it in some specific features. The Atlantic Monthly, Volume 10, No. 57, July, 1862 This attached, plant-like condition of Comatula was indeed at first supposed to be a mature form, and was named Pentacrinus; but we now know that it is only a stage in the development of Comatula. On the Origin and Metamorphoses of Insects 2011-12-05T03:00:46.667Z In the living Comatula we find a star passing through the stalked stage in its early development, when it looks like a tiny sea-lily. The Story of Evolution The Comatulae are not abundant, and though represented by a number of Species, yet the type as it exists at present is meagre in comparison to its richness in former times. The Atlantic Monthly, Volume 10, No. 57, July, 1862 |
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