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Show 722 MR. W. F. LANCHESTER ON CRUSTACEANS [June 19, M.-Edw. Hist. Nat. Crust, t. i. p. 283 (1834); Haswell, Cat. Austr. Crust, p. 4 (1882); Miers, ' Alert' Crust, p. 189 (1884). Hab. Singapore; littoral. Two females, one with ova; aud a male with a parasite under the abdomen. All are thickly clothed with small globular pieces of sponge. Dim. cS 23x31-5. $27-5x37. $26x34-5. III. Genus ONCINOPUS de Haan. 4. ONCINOPUS ARANEA de Haan. Oncinopus aranea, de Haan, Crust. Japon. p. 100, pi. xxix. f. 2 (1839). Oncinopus neptunus, Ad. & White, ' Samarang ' Crust, p. 1, pi. ii. f. 1 (1848). Oncinopus subpellucidus, Stimpson, Proc. Acad. Nat. Sci. Philad. p. 221 (1857). Oncinopus angulatus, Hasw. Proc. Linn. Soc. N. S. W . vol. iv. p. 433 (1879). Oncinopus subpellucidus, Hasw. Cat. Austr. Crust, p. 5 (1882). Oncinopus neptunus, Walker, Journ. Linn. Soc, Zool. vol. xx. p. 109 (1887). Hab. Singapore; 5 fms. One male. Dim. 2-5x3-25. IV. Genus MENCETHIUS M.-Edw. 5. M E N ^ T H I U S MONOCEROS Latr. Pisa monoceros, Latr. Encycl. t. x. p. 139 (1825). Mencethius monoceros, M.-Edw. Hist. Nat. Crust, t. i. p. 339 (1834). Mencethius subserratus, Ad. & White, 'Samarang' Crust, p. 18, pi. iv. ff. 1-2 (1848). Mencethius monoceros, A. M.-Edw. Nouv. Arch. Mus. Hist. Nat. t. viii. p. 252 (1872). Hab. Singapore. Littoral: from off seaweed, with Caprellids, Amphipods, &c. 5 males, 1 female. Malacca; 1 fm. Sandy mud. A larger, damaged female. Dim. 6 6x8. \j 6-75x8-5. S 5-5x7-5. d 4x5-5. $ 7x9-5. $ 10-75x13-5. d1 16-5x13-5. V. Genus DOCLEA Leach. 0. DOCLEA MURICATA Herbst. Cancer muricatus, Herbst, Naturgesch. der Krabben, t. i. p. 211, pi. xiv. f. 83 (1788). Inachus muricatus, Fabr. Suppl. Ent. Syst. p. 355 (1798). Doclea muricata, M.-Edw. Hist. Nat, Crust, t. i. p. 295 (1834); Walker, Journ. Linn. Soc, Zool. xx. p. 109 (1887). Hab. Malacca; 1-2 fms., mud. A male aud two females. Dim. d8x9. $15-5x17. $12x13. |