20G 



13. T. formosa, Gask., Proc. Zool. Soc. p. 198, 1835. 



C. Ic. pi. 28, sp. 132. C. 111. f. 151. Coq. Viv. p. 137, 

 pi. 52, f. 3. Cape of Good Hope. 



14. T. fusca, Desc. Cat. p. 15. 



0. Ic. pi. 24, sp. 134. C. 111. f. 37. aallipagos I. 



15. T. Gaskoinii, Roberts. 



C. sulcata.) Gask. (now Dillw.), Proc. Zool. Soc. p. 95, 1848. 



3Ianilla. 



16. T. globosa, Gray, Desc. Cat. p. 14, 1832. 

 C. Ic. pi. 26, sp. 152. C. 111. f. 34. 



C.,pilula, Kien., Coq. Viv, p. 151, pi. 54, f. 2. 



West Indies — China Seas ? 



17. T. grando, Gask., Proc. Zool. Soc. p. 96, 1848. Manilla. 



18. T. insecta, Migliels, Proc, Bost. Soc. ii, p. 24, 1845. 

 C. hordacca, Kien., Coq. Viv. p. 149, pi. 54, f. 5. 



Sandivicli Islands. 



19. T. MaugeriaB, Gray, Desc. Cat. p. 13, 1832. 



C. Ic. pi. 21, sp. 119, C. 111. f. 30. aallipagos. 



20. T. napolina, Duel., Coq. Viv. p. 144, pi. 53, f. 3. • 



C. Ic. pi. 26, sp. 149. 

 C. ohscura, Gask., Proc. Zool. Soc. p. 94, 1848. Senegal. 



21. T. oniscus, Lam., An. du Mus. xvi, p. 103, 1810. 



C. Ic. pi. 20, f. 111. C. 111. sp. 109, f. 134. Coq. Viv. 

 p. 134, pi. 51, f. 2. 

 C aperta, Swn. [non Gray), Zool. Jour, iii, p. 571, 1827. 



Cape of Grood Hope. 



22. T. OVula, Lam., An. sans Vert, vii, p. 398, 1822. 



C. Ic. pi. 20, sp. 112. 0. 111. f. 145. Coq. Viv. p. 135, 

 pi. 51, f. 3. Cape of Good Hope. 



23. T. Pacifica, Gray, Desc. Cat. p. 15, 1832. 



C. Ic. pi. 25, sp. 143. C. 111. f. 39. Coq. Viv. p. 147, 

 pi. 45, f. 2. Cfall/pagos. 



24. T. pediculus,* Rumph., Amb. Rarit. pi. 39, f. P, 1705. 



*The shell C. nivea, figured by Reeve, C. Ic. pi. 24, sp. 136, is the 

 C. oryza. Lam., which is T. pediculus, Rumph. The G. oryza figured 

 by Reeve, C. Ic. pi. 24, sp. 140, is the T. scabriuscula, Gray. The same 

 error occurs in Sowerby's Couch. lUus. M. Kiener has confounded 

 the two species T. scabriuscula, Gray (Coq. Viv. pi. 43, f. 3), and T. 

 oryza, Lam. (Coq. Viv. pi. 52, f. 2) ; the figures should be reversed. 

 The true G. nivea, Gray (Zool. Jour, i, p. 511), is a white variety of G. 

 turdas, Lam., and has been placed in the synonymy of the latter species, 

 see Proc. Zool. Soc. 1848, p. 98. 



