| OCR Text |
Show 738 MR. w. F LANCHESTER ON CRUSTACEANS [June 19, case in his females from the Mergui Archipelago, so perhaps sexual distinction. In three females and a male from the Mergui collection, which I have examined, the actual colour varies from a deep black to a very pale brown. Dim. 22x16. XXVI. Genus LEPTODIUS A. M.-Edw. 44. LEPTODIUS EXARATUS M.-Edw. Chlorodius exaratus, M.-Edw. Hist. Nat. Crust, t. i. p. 402 (1834). Xantho affinis, de Haan, Crust. Japon. p. 48, pi. xiii. f. 8 (1839). Leptodius exaratus, A. M.-Edw. Nouv. Arch. Mus. t. ix. p. 222 (1873); Henderson, Trans. Linn. Soc, Zool. vol. v. p. 362 (1893); de Man, Zoolog. Jahrb. Bd. viii. p. 521 (1895). Hab. Singapore ; littoral. Several young examples. Dim. cJ 10x7. cS 9-5x7. d 10-5x7-25. d 7-25x5-25. d 7-25x5-5. $ 12x8. $ 9x6-5. $ 8x6. $ 9x6-5. $ 6-75x5. $ 7-5x5-5. $ 7x5. $ 8-5x6. 44 a. LEPTODIUS EXARATUS GRACILIS. Chlorodius. gracilis, Dana, U.S. Expl. Exped. p. 210, pi. xi. f. 13 (1852). Leptodius exaratus, var. gracilis, Miers, ' Alert' Crust, p. 530 (1884). Hab. Singapore; littoral, together with tbe species. A male and a female. Dim. d 14-5x9-5. $ 17x12. XXVII. Genus ETISUS M.-Edw. 45. ETISUS LEVIMANUS Randall. Etisus levimanus, Randall, Journ. Ac. Nat. Sci. Philad. vol. viii. p. 115 (1839); Dana, U.S. Expl. Exped., Crust, pt, i. p. 185, pi. x. f. 1 (1852). Etisus macrodactylus, Jacq. et Lucas, Voyage au Pole du Sud, Crust, p. 30, pi. ix. f. 2 (Hombron et Jacquinot, tome iii. 1853). Etisus levimanus, A. M.-Edw. Nouv. Arch. Mus. t. ix. p. 234 (1873). Hub. Singapore ; littoral. Two males. One of these is ornamented with a large, oval, brown spot on the gastric region, and other brown spots dotted more or less regularly over the carapace generally. Dim. d 63-5x40. d 68-5x41-5. 46. ETISUS UTILIS Jacq. et Lucas. Etisus utilis, Jacq. et Lucas, Voyage au Pole du Sud, Crust. |
