| OCR Text |
Show 740 MR. W. F. LANCHESTER O N CRUSTACEANS [June 19, and internally more or less sulcate; mobile finger with two rows of 3 or 4 tubercles above, enclosing between them a furrow ; tips strongly excavate and white; inner margins dentate and not quite meeting. Ambulatory legs with upper and under margins densely clothed with hair; upper margins tuberculate, the tubercles becoming stronger from the merus to tbe dactyl, under margins granulate. Colour variable ; smallest male greenish yellow with a few red-brown patches, the next in size with a much greater amount of red-brown, the largest completely brown; the female has a somewhat mottled appearance of brown and yellow. The tubercles of the chelipedes tend to obsolescence iu the largest male. Mr. Miers's statement (t. c.) that the distal ends of the frontal lobes are convex seems to be either a mistake or a misprint; for I have examined the ' Alert' specimen, and find them, like these, slightly concave when viewed from above ; briefly, they are convex in a vertical, and concave in a horizontal plane. Dim. d 57-5x38. d 45-5x30-5. d 36x25. $ 42x28. XXIX. Genus CYMO de Haan. 48. CYMO ANDREOSSYI MELANODACTYLA. Cymo melanodactylus, de Haan, Crust. Japon. p. 22 (1839). Cymo andreossyi, Miers, ' Alert' Crust, p. 532 (1884); de Man, Mergui Crust, p. 35 (1888); Henderson, Trans. Linn. Soc, Zool. vol. v. p. 363 (1893). Hab. Singapore : from the reef at low water. A male. Fingers black : black colour extending on to under and lower external surface of hand; granules on this part small above, absent below ; tips of fingers light brown, not white. Dim. 11-5 x 9-5. Breadth taken is greatest breadth. XXX. Genus MYOMENIPPE Hilgendorf. 49. MYOMENIPPE GRANULOSA A. M.-Edw. Menippe granulosa, A. M.-Edw. Ann. Soc. Entom. de France, t. vii. p. 275 (1867). Mgomenippe duplicidens, Hilgendorf, Mouatsber. k. Akad. Wiss. Berlin, p. 796 (footnote) (Nov. 1878). Myomenippe granulosa, de Man, Mergui Crust, p. 40, pi. ii. f. 1 (1888), and Zoolog. Jahrb. Bd. viii. p. 525 (1895). Hab. Malacca ; littoral. One male example. This agrees almost entirely with Dr. de Man's excellent description (t. c.) ; the only notable difference is the presence of numerous, rather thickly-set hairs on the ambulatory legs, especially on the upper margin of the meri; these would appear, from Dr. de Man's figure, to be much less numerous in his examples. Dim. 38x27-5. Distance between ext. orbital angles, 22 m m. Length of larger hand, 2925 mm. |
