A history of the British sessile-eyed Crustacea . CRYPTOTHIRIA * Specific ch:iracter. — Sappused Male. — Elongate-ovate, posteriorly at-teuuated, convex above, concave beneath. Ceplialon rather longer than thefollowing segment. Anterior pair of pereiopoda strongest; j)osterior pair ofpereiopoda long and slender. Sixth or terminal segment of the tail forminga minute plate, covering the base of the hind pleopoda. Female with the body divided into two portions, the anterior composed ofthe head and three following segments, connected by means of a constriction * The woodcut at the head of
A history of the British sessile-eyed Crustacea . CRYPTOTHIRIA * Specific ch:iracter. — Sappused Male. — Elongate-ovate, posteriorly at-teuuated, convex above, concave beneath. Ceplialon rather longer than thefollowing segment. Anterior pair of pereiopoda strongest; j)osterior pair ofpereiopoda long and slender. Sixth or terminal segment of the tail forminga minute plate, covering the base of the hind pleopoda. Female with the body divided into two portions, the anterior composed ofthe head and three following segments, connected by means of a constriction * The woodcut at the head of this article represents the male of , and the extremity of its body highly magnified, from specimensfurnished by the Rev. A. M. Norman. The female C. p>/i/mcea (copiedfrom Lilljeborg) is the upper left-hand figui-e ; Rathkes figure of the youngC. pygmcea (which, if the form of the antenna- be correct, is undoubtedly anuile of mature form) is copied in the upper right-hand figure ; whilst thelower right-hand figure is copied fro
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Keywords: ., bookauthor, bookcentury1800, bookdecade1860, booksubjectcrustacea
