Journal of the Proceedings of the Linnean Society - Vol. 3

Journal of the Proceedings of the Linnean Society - Vol. 3

Journal of the Proceedings of the Linnean Society - Vol. 3 - ZoologyOn the Importance of an...
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Author: Linnean Society of London
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Language: English
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Journal of the Proceedings of the Linnean Society - Vol. 3

Journal of the Proceedings of the Linnean Society - Vol. 3

$105.15 $52.55

Journal of the Proceedings of the Linnean Society - Vol. 3

$105.15 $52.55
Author: Linnean Society of London
Format: eBook
Language: English

Journal of the Proceedings of the Linnean Society - Vol. 3 - Zoology

On the Importance of an Examination of the Structure of the Integument of Crustacea in the determination of doubtful Species.Application to the genus Galathea, with the Description of a New Species of that Genus. By Spence Bate, Esq., F.L.S. The interest attaching to these forms arises from the intermediate position which they occupy in the natural arrangement of the class, their structure placing them between the Macrura and Brachyura; in accordance with which we find that, whilst Professor M.-Edwards classes them among the Macrura, Professor Bell, in his work on the British Crustacea, places them (more correctly, as we think) in the intermediate group of Anomura. The early form of the larva bears, anteriorly, a resemblance to the Brachyural type, whilst the caudal appendages assimilate to those of the Macrura. The same conditions obtain in the young of Anomura. At the time of birth, the larva, like that of the Brachyura, has only the two gnathopoda developed, whilst the[Pg 2] termination of the tail is like that of a fish, as in the Macrura. In the adult, the internal antenn possess short flagella and complementary appendages, such as exist in the order Brachyura, whilst the external antenn have the long and slender flagella proper to the Macrura. The scale, however, commonly appended to the external antenn in the latter order is wanting, a circumstance which exhibits a relation to the Brachyura. ......Buy Now (To Read More)

Product details

Ebook Number: 20750
Author: Linnean Society of London
Release Date: Mar 6, 2007
Format: eBook
Language: English

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