244 
THE VOYAGE OF H.M.S. CHALLENGER. 
Gelasimus annulipes, Milne Edwards. 
Gelasimus annulipes , Milne Edwards, Hist. Nat. Crust., vol. ii. p. 55, pi. xviii. figs. 10-13, 
1837; Ann. d. Sci. Nat., ser. 3, Zool., vol. xviii. p. 149, pi. iv. fig. 15, 
1852. 
,, ,, Hilgendorf, Monatsber. d. k. preuss. Akad. d. Wiss. Berlin, p. 803-805, 1878. 
,, „ Kingsley, Proc. Acad. Nat. Sci. Philad., p. 148, pi. x. fig. 22, 1880, and 
references to literature, in part only. 
,, porcellanus, White, Proc. Zool. Soc. Lond., p. 85, 1847 ; Crust, in Zool. H.M.S. 
“Samarang,” p. 50, 1848. 
„ ,, Milne Edwards, tom. cit., p. 151, 1852. 
,, „ Kingsley, tom. cit., p. 155, 1880. 
„ perplexus, Milne Edwards, Ann. d. Sci. Nat., tom. cit., p. 150, pi. iv. fig. 18, 1852; 
fide Hilgendorf, tom. cit., p. 806, 1878. 
,, marionis, Milne Edwards, Hist. Nat. Crust., vol. ii. p. 53, 1837, not of Desmarest (1) 
1 ,, splendidus, Stimpson, Proc. Acad. Nat. Sci. Philad., p. 99, 1858. 
., „ Kingsley, tom. cit., p. 149, 1880. 
1 ,, pulchellus, Stimpson, tom. cit., p. 100, 1858. 
„ rectilatus, Lockington, Proc. Calif. Acad. Nat. Sci.,pt. 1, p. 148, 1876; fide Kingsley. 
„ annulipes, var. albimana, Kossmanu, Zool. Ergebn, einer Reise Kiistengeb. d. rothen 
Meeres, Brachyura, p. 53, 1877. 
Philippines, Samboangan, 10 fathoms (three males); Fiji Islands, Kandavu (a good 
series of specimens, mostly males) ; Matuku (three males and two females). 
Adult <J. Lines. Millims. 
Length of carapace, about . . . . . . 3| 7'5 
Breadth of carapace, . . . . . . . 6 13 
In the specimens I refer to this species the carapace is moderately convex, smooth, 
and shining ; the front ordinarily subtruncated at the distal extremity, the posteriorly 
convergent lateral margins defined by a straight line, which proceeds from the rather 
prominent acute antero-lateral angles of the carapace nearly to the rounded postero- 
lateral angles. The larger chelipede in the adult male has the hand elongated, externally 
granulated, the palm about once and a half as long as broad, with a vertical impressed 
line near the base of the fingers, internally armed with an angulated, coarsely granulated 
prominence near the base, and with two short granulated ridges near the bases of the 
fingers, the fingers are granulated on their inner margins ; the pollex has two or three 
larger teeth or prominences, of which one is usually situated at about the middle of the 
inner margin, and one (triangulate) near the distal extremity; the dactylus is flat 
externally, with the margins subparallel nearly to the distal extremity, which is strongly 
incurved, and has usually two or three larger granules on the inner margin. 
In the smaller males the tubercles and prominences of the inner margin of the fingers 
