CRUSTACEA. 31 



TRICHODACTYLUS, Latr. 



TRICHODACTYLUS fluviatilis, Latr. Enc. Meth. x. 705. T. qua- 

 drata, Edw. Crust, ii. 16. Cuv. R. A. (Crock), t. 15, /. 2. 



a, b. Males. Brazil (fresh-water river). Presented by Lord 

 Stuart de Rothesay. 



c, d. Males. Brazil. Presented by Lord Stuart de Rothesay. 



e. Female. Brazil. Presented by Lord Stuart de Rothesay. 



TRICHODACTYLUS affinis, n. s. 



a, b. S. Africa. Presented by the Earl of Derby. 



VALDIVIA, IVhite. 

 VALDIVIA serrata, White, Ann. fy Mag. Nat. Hist. 184^. 7, 



v i ' * 



VALDIVIA convexiuscula n. s. 



. Female. Presented by Gen. Th. Hardwicke. 



ARICA, White. 



ARICA septemclentata, White, Ann. fy Mag. Nat. Hist. 1846. 

 a. Female. Para. Presented by Mrs. J. P. George Smith. 



Family GECARCINIDJE. 

 UCA, Leach. 



UCA cordata. Cancer uca, L. Syst. Nat. 2, 1041, 13. Cancer 



cordatus, L. Syst. Nat. 1039, 4. Parra, t. 58. Seba, iii. t. 20, 



/. 4. Cancer cord., Herbst, i. t. 6, /. 38. Uca ima, Leach, 



Linn. Trans, xi. 323. Guerin, Icon, t. 5,f. 5. Edw. ii. 22. 



Cuv. R. A. (Crock), t. 19. f. 2. Marcgrav. 184, fg. 



a d. Brazil. Presented by Lord Stuart de Rothesay. 



e. W. Indies. From Mr. Scrivener's collection. 



/, g. Pernambuco. Presented by J. P. G. Smith, Esq. 



CARDISOMA, Latr. 



CARDISOMA carnifex, Latr. Enc. Meth. x. 685. Edw. Crust, ii. 



23. Cancer carnif. Herbst, ii. t. 41. /. 1. Gecarc. hirtipes, 



Lam. Anim. s. Vert. v. 462. 

 a, b Mauritius. Presented by Lady Frances Cole. 



CARDISOMA guanhumi, Latr. Enc. Meth. x. p. 685. Edw. Crust. 

 ii. 24. Cuv.R. A. (Crock), t. 20, f. 1. Marcgrav. Hist. 

 Rer. Nat. Bras. 185, fig. . Labat. Voy. t. ii. 173. Parra, t. 

 57. Ocypode gigantea, Freminv. Ann. Sc. Nat. iii. 221 ? 

 (Female). 



a. Brazil. 



b, c. Brazil. Presented by Lord Stuart de Rothesay. 



