The Cambridge natural history, Vol. 04 (of 10)

by Geoffrey Smith; D'Arcy Wentworth Thompson; Cecil Warburton; Walter Frank Raphael Weldon; Henry Woods

[172]. Arch. Zool. Exp. (4), ii., 1904, p. 1.

[173]. See Calman, Proc. Zool. Soc. 1906, p. 187.

[174]. The Crayfish, Internat. Scient. Series.

[175]. Mem. Harvard. Mus. x., 1885.

[176]. Proc. Amer. Phil. Soc. xli., 1902, p. 267, and xliv., 1905, p. 91.

[177]. G. O. Sars, “Crustacea Caspia,” Bull. Acad. Imp. Sc. St. Pétersbourg (4), xxxvi., 1893–4, pp. 51 and 297; (5) i., 1894, pp. 179 and 243; also Crustacea of Norway, vol. ii. Isopoda, 1900, p. 73.

[178]. Daday, Termés Füzetek, xxv., 1902, pp. 101 and 436.

[179]. Daday, Bibliotheca Zoologica, Heft 44, 1905.

[180]. On the cheek the furrow represents a pleural groove, and does not form the limit of the posterior cephalic segment.

[181]. M‘Coy, Synop. Sil. Foss. Ireland, 1846, p. 56, and Brit. Pal. Foss., 1851, p. 146, pl. 1 E, fig. 16; Salter, Quart. Journ. Geol. Soc. iii., 1847, p. 251.