130 



25. Corb. convexa, Deshayes, Proc. Zool. Lond. xxii, 342, 

 1854. 

 Brit. Mus. Cat. Conchif. 231, 1854. 



Corhicula ventricosa, Prime, in litt. 



Corhicula convexa, Deshayes, Prime, Cat. Corb. 3, 1863. 

 Smith. Inst. Misc. Coll. Prime Monog. Corb. 3, f, 1, 

 1865. Central America and Mexico. 



26. C. cor, Deshayes. 



Cyrena cor, Lamarck, Lam. An. v, 552, 1818. Delessert, 



Recueil, pi. vii, f. 7, 1841. 

 Corhicula cor, Deshayes, Brit. Mus. Cat. Conchif. 221, 1854. 



Ann. Lye. N. H. N. Y. viii, 63, f. 8, 1864. 



East Indies. 



27. C. crassula, Mousson. Mousson, Bellardi, Cat. 54, f. 12, 



1854. 

 Prime, Cat. Corb. 3, 1863. Ann. Lye. N. H. N. Y. viii, 

 216, f. 54, 55, 1866. Syria. 



28. C. Crosseana, Prime, Ann. Lye. N. H. N. Y. viii, 72, f. 



20, 1864. Philippine Islands. 



29. C. Cumingii, Deshayes, Brit. Mus. Cat. Conchif. 228, 



1854. 

 Corhicula squalida, Deshayes, Proc. Zool. Lond. xxii, 342, 



1854. Brit. Mus. Cat. Conchif. 233, 1854. 

 Corhicula notata. Prime, Proc. Ac. N. S. Phila. 127, 1861. 

 Corhicula Cumingii, Deshayes, Prime, Cat. Corb. 4, • 1863. 



Ann. Lye. N. H. N. Y. viii, 217, f. 46—49, 1866. 



Philippine Islands. 



30. C. cuneata, Deshayes. 



Cyrena cuneata, Jonas, Zeit. Malak. 186, 1844. Philippi, 



Abbild. Conch, ii, 77, pi. 1, f. 6, 1846. 

 Cyrena glohulus, Jonas, in litt. 

 Corhicula incrassata, Deshayes, Proc. Zool. Lond. xxii, 342, 



1854. 

 Corhicula cuneata, Deshayes, Brit. Mus. Cat. Conchif. 231, 



1854. Prime, Cat. Corb. 3, 1863. Smith. Inst. Misc. 



Coll. Prime, Monog. Corb 6, f. 5, 1865. 



Orinoco River, South America. 



31. C. Cyraenopsis. 



Cyclas Cyroenopsis, Valenciennes. 



Cyclas, Encycl. Meth. pi. 301, f. 3, 1792. Eah.—f 



32. C. Cyreniformis, Prime, Proc. Zool. Lond. xxviii, 321, 



1860. 

 J. Conchyl. ix. 41, pi. ii. f. 5, 1861. Hah.—? 



