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Show 766 MR. W. F. LANCHESTER ON CRUSTACEANS [June 19, the under surfaces less so than the upper; and there is no any granules on the inner (anterior or lower) margin of the band. The inner edges of both fingers have a line of 5 or 6, widely separate hairs, very distinct under the lens. Dim. 7-25x8. LIX. Genus MYRA Leach. 107. MYRA AUSTRALIS Hasw. (?). Myra australis, Hasw. Proc. Linn. Soc. N. S. W . vol. iv. p. 50, pi. v. f. 3 (1879), & Cat. Austr. Crust, p. 122 (1882) ; Miers, 'Alert' Crust, p. 251 (1884), & 'Challenger' Brachyura, p. 315 (1886); Walker, Journ. Linn. Soc, Zool. vol. xx. p. Ill (1887); Henderson, Trans. Linn. Soc, Zool. vol. v. p. 402 (1893). Hab. Singapore: 4-5 fms.; bottom of broken shells and sand. A small male, which I refer rather doubtfully to this species with which it seems to agree, excepting that there is an additional minute spine over the base of each of the posterior legs, and there is no denticle on the penultimate joint of the abdomen. Dim. 8x8. LX. Genus ARCANIA Leach. 108. ARCANIA ERINACEUS Fabr. Cancer erinaceus, Fabr. Ent. Syst. ii. p. 460 (1792) ; Herbst, Naturgesch. d. Krab. Bd. ii. Hft. 2, p. 258, pi. xx. f. Ill (1790). Leucosia erinaceus, Fabr. Suppl. Ent. Syst. p. 352 (1798). Arcania erinaceus, Bell, Trans. Linn. Soc. vol. xxi. p. 309 (1855); Alcock, Journ. As. Soc. Bengal, vol. lxv. pt. ii. No. 2, p. 268 (1896). Hab. Singapore : 4 fms.; sandy bottom. A damaged male. Dim. 11x11. LXI. Genus IPHICULUS Ad. & White. 109. IPHICULUS SPONGIOSUS Ad. & White. Iphiculus spongiosus, Ad. & White, ' Samarang ' Crust, p. 57, pi. xiii. f. 5 (1848); Alcock, Journ. As. Soc. Bengal, vol. lxv. pt. ii. No. 2, p. 256 (1896). Hab. Singapore : 5 fms.; muddy bottom. A male. Dim. 10-5x8. LXII. Genus NURSIA Leach. 110. NURSIA PLIOATA Herbst. Cancer plicatus, Herbst, Naturgesch. d. Krab. Bd. iii. Hft. 4, p. 2, pi. lix. f. 2 (1804). Nursia plicata, Alcock, Journ. As. Soc. Bengal, vol. lxv. pt. ii. No. 2, p. 180 (1896). |