1901.] CBUSTACBA or THE " SKEAT EXPEDITION." 549 



size and shape, resembling the smaller chelipedes of the other 

 individuals, and I will also call attention to the rather noticeable 

 A^ariation in the relative proportions of length and breadth. 



Dim. c^ 26x21. d 26-25 x 22. c? 27-5 x 21. d 15x11. 

 $27x21. $ 28-5 X 21-25. $25-5x20. $24x19. 



XXII. Genus Uca Leach.. 



39. Uca annclipes M.-Edw. 



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

 figs. 10-13 (1837); de Man, Merg. Crust, p. 118, pi. viii. figs. 6-7 

 (1888). 



Loc. Singora ; Ti-engganu. 



Thirty-two males and three females. 



Of the males sixteen ha\e the large chela on the right side, and 

 the other sixteen on the left. 



Dim. c? 19x11-5. cT 17-5x11. c? 17x10. c? 16-5x10. 

 6 16-5x9. $ 12-25x8. $ 11-5x7. $ 11-5x8. 



40. Uca tetragonon ? Herbst. 



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

 fig. 110(1790). 



Gelasimus tctragonon, M.-Edw. Ann. Sci. Nat. (3) x^•iii. p. 147, 

 pi. iii. fig. 9 (1852) ; Kingsley, Proc. Ac. Nat. Sci. Philad. p. 143, 

 pi. ix. fig. 11 (1880). 



Loc. Treugganu. 



A single female, which I refer rather doubtfully to this species. 



Dim. 17-5x12. 



XXIII. Genus Vaeuka M.-Edw. 



41. Vaeuna litterata Eabr. 



Cancer litteratus, Eabr. Ent. Syst., Suppl. p. 342 (1798). 

 Varuna litterata, M.-Edw. Hist. Nat. Crust, ii. p. 95 (1837) ; 

 Hasw. Cat. Austr. Crust, p. 103 (1882). 

 Loc. Kota Bharu, Kelantan. 

 Two males and a female. 

 Dim. J 20-5x19-5. c? 21-5x21. $ 26-5 x 25-5. 



XXIV. Genus Grapsus Lam. 



42. Grapsijs stbigosjjs Herbst. 



Cancer strigosus, Herbst, Naturg. d. Krab. iii. p. 55, pi. xlvii. 

 fig. 7 (1799). 



Graj)sus strigosus, A. M.-Edw. Nouv. Arch. Mus. ix. p. 286 

 (1873) ; Hasw. Cat. Austr. Crust, p. 97 (1882). 



Loc. Pulau Bidan, Penang. 



Eive males and a female. 



Dim. J 49x43-5. c? 41x37. c? 30 5x28. d 24x21-5. 

 $ 45x40. 



