728 MR. E. A. SMITH ON WEST-AFRICAN SHELLS. [Dec. 5, 



8. Donax rugosus, Linn. Syst. Nat. (12th ed.) p. ] 12". 

 Hab. Whydah. 



9. Donax (Capsella) owenii, Gray, MS. in Brit. Mas. ; 

 Hanley, Cat. Rec. Shells, p. 81. 



Hab. Whydah. 



10. Mactra (Trigonella) adansoni, Phil. Zeitsch. fiirMalac. 

 1848, p. 152. 



Hab. Whydah. 



11. Mactra (Schizodesma) nitida, Schroter, Einl. Conch, 

 hi. pi. 8. f. 2. 



Hab. Whydah. 



12. Chama senegalensis, Reeve, Conch. Icon. iv. sp. 5. 

 Hab. Whydah. 



13. Leda rostrata, Mont. Test. Brit. Suppl. p. 55, pi. 27. f. 7. 

 Hab. Whydah. 



14. Leda tuberculata, sp. nov. (Plate LXXV. fig. 1.) 



Testa incequilateralis , oblonga, poslice modice rostrata, griseo-alba ; 

 antice plica 3 ad 4 oblique longitudinales, striis transversis con- 

 fertim decussates ; postice vel rostro tubercularum parvarum 

 series 5 ad 6 ohliqum urnbone radiantes ; regione centrali costee 

 1 6 concentricce, crassce ; versus umbonem et marginem ventralem 

 densissimcE ; interstitia exilius striata. 



Diam. transversa 8 mill., diam. longit. 4. 



Hab. Whydah. 



15. Leda, sp. ? jun. 



Hab. Whydah. 



A small, very strongly, obliquely ribbed species, but too young to 

 satisfactorily determine. 



16. Solen (Cultellus) tenuis, Gray, ? MS. in Brit. Mus. 

 Hab. Whydah. 



17. Corbula modesta, Hinds, P. Z. S. 1843, p. 57. 



Hab. Whydah. 



This species is described by Hinds as coming from Macassar and 

 the Philippine Islands. 



18. Corbula striata, sp. nov. (Plate LXXV. fig. 3.) 



Testa parva, cequilateralis, paululum rostrata, albida cum macula 

 triangulari rosea ornata ; transversim crasse costala ; stria longi- 

 tudinales exilissimce creberrimw supra et inter costas radiantes. 



Diam. transversa 6 mill., diam. longit. 3|. 



