754 Mil. W. F. LANOflESTER ON CRUSTACEANS [June 19, 



o* 18-5x12-75. J 18-5x12-5. <f 14-5x9-5. 9 23-5x16-5. 

 2 21-5x14-75. $23x15. $ 22x14-5. $ 20-5x14. 



76. Uca vocans M.-Edw. 



Gelasimus vocans, M.-Edw. Ann. Sci. Nat. ser. 3, t. xviii. p. 145, 

 pi. iii. f. 4 (1852). 



? Gelasimus cultrimanus, Ad. & White, ' Samarang ' Crust, p. 49 

 (1848). 



Gelasimus nitidus Dana, U.S. Expl. Exped., Crust, pt. i. p. 316, 

 pi. x. f. 5 (1852). 



Gelasimus vocans Miers, Ann. Mag. Nat. Hist. ser. 5, vol. v. 

 p. 308(1880); id. 'Challenger' Brachyura, p. 242 (1886) ; Hasw. 

 Cat. Austr. Crust, p. 92 (1882) ; Walker, Journ. Linn. Soc, Zool. 

 vol. xx. p. 110 (1887). 



Hah. Singapore and Malacca : burrowing in the beach, holes 

 covered at high water. Six males and three females. 



In one male the tooth between the base of the index and the 

 subdistal tooth is absent. 



Dim. e 20x13-5. d 18x12-5. o* 17x11-5. rf 15x10-25 

 t? 13-75x9-5. s 12-75x8-75. $ 10-75x12-25. $ 16-25 x 

 11-5. $ 14-75x10-25. 



77. Uca tetbagonon Herbst. 



Cancer tetragonon, Herbst, Naturgesch. d. Krab. i. p. 257, pi. xx. 

 f. 110 (1790). 



Gelasimus tetragonon, Biipp. Beschr. 24 Krab. p. 25, pi. v. f. 5 

 (1830) ; M.-Edw. Hist. Nat. Crust, t. ii. p. 42 (1837) ; id. Ann. Sci. 

 Nat. ser. 3, t. xviii. p. 147, pi. iii. f. 9 (1852) ; Kingsley, Proc. Ac. 

 Nat. Sci. Phil. p. 143, pi. ix. f. 11 (1880). 



Hub. Singapore : a male from the shore at the west entrance to 

 the New Harbour. 



Dim. 24-5 x 17. 



78. Uoa annuxipes M.-Edw. 



Gelasimus annulipes, M.-Edw. Hist. Nat. Crust, t. ii. p. 55, 

 pi. xviii. ff. 10-13 (1837); id. Ann. Sci. Nat. ser. 3, t. xviii. 

 p. 149, pi. iv. f. 15 (1852). 



Gelasimus perplexus, M.-Edw. t. c. p. 150, pi. iv. f. 18. 



Gelasimus annulipes, Kingsley, Proc. Ac. Nat. Sci. Philad. p. 148 

 (1880); de Man, Mergui Crust, p. 118, pi. viii. ff. 6-7 (1888); 

 id. Zoolog. Jahrb. Bd. viii. p. 577 (1895) ; Henderson, Trans. Linn. 

 Soc, Zool. vol. v. p. 388 (1893). 



Hab. Singapore : very common in holes on the shore, or a short 

 distance inland, near brackish and tidal water. 



Out of 63 males 34 have the big claw on the right side, and 29 

 have it on the left ; 13 females. There are also a male and a 

 female from Malacca. General colour of the carapace, alternate 

 transverse, rather irregular, bauds of light blue and black. 



Dim. cJ 14-5x9. rf 15x8-75. d 13-5x7-75. s 13x7-5. 



