Publisher's Synopsis
Excerpt from A History of the British Sessile-Eyed Crustacea, Vol. 1 of 2
Sessile-eyed Crustacea by M. Blainville, in contradistinc tion to that of Decapoda the one being defined by having fourteen legs, the other having only ten. But this, upon the most superficial examination, will be found to be the most imperfect character, not only in usefulness, but also in appearance. Not only all the Stomapoda, but even the Macrura, below the familv of Palwmonidw, possess fourteen fully developed pediform limbs; and even in the Brachyura and Anomura, the anterior appendages that protect and supply the mouth are legs altered for a necessary purpose, and not really oral appendages; couse quently, the distinction in structure that the two separate names would lead a student to expect, does not exist. The only true Decapoa'a are Caprella and Anccas, and these belong, in the present system of classification, to the Tetradecapoda.
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