A History of the British Sessile-Eyed Crustacea, Vol. 2 of 2 (Classic Reprint) - Softcover

Inhaltsangabe

Excerpt from A History of the British Sessile-Eyed Crustacea, Vol. 2 of 2

The aberrant group of Isopoda, although containing, and perhaps based upon, the most characteristic genus of Dana's supposed order of Anisopoda, yet must not be con sidered synonymous with it, since all the parasitic forms that possess such extremely aberrant characters in the adult females, possess the true character of the normal Isopod, both in the young and adult male Thus the genera Arcturus, Bopyrus, and the rest of the parasitic Amphipoda, we have classified with the normal Isopoda. Nor can we think that the only feature that assimilates Arcturus to the Amp/zipoda (the forward direction of the second pair of pereiopoda), can be considered of suf ficient importance to narrow the distinction between it and the Amphipoda, whereas other characters of greater importance induce a natural separation that is strongly marked.

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