NATURAL SCIENCES OF PHILADELPHIA. 275 



C. Al p i n a, Bgt. Sph. fr. 49. 1854. Is Corbicula A 1 p i n a, Prime. 

 C. a g r e n 8 i s, Kurr. In litt. Is Corbicula agrensis, Prime. 



5. C. alta, Dkr. Wiild. 153. 1854. 

 Hab. Germany, (fossil.) 



C. altilis, Gld. Bost. II. vi. 400, pi. xvi. f. 5. 1852. Is Cyrena 

 Mexican a, Sowb. 



6. C. am big u a, Br. Geol. II. x. 275. 1854. 

 Hab. Germany, (fossil.) 



C. amygdalina, Desh. Inv. Par. 500, pi. 37, f. 22, 23. 1857. Is 

 Corbicula amygdalina, Desh. 



7. C. A nglic ana, Prime. 



Cyrena obtusa, Forbes, (preoc.) Rec. Sci. 2, pi. 3, f. 4. 

 Hab. England, (fossil.) 



8. C. angulata, Roemer. Oolitt. i. 117, pi. 9, f. 12. 1835. 

 Hab. Germany, (fossil.) 



C. angulata, Desb. Proc. Zool. xxii. 22. 1854. Is Cyrena tumida, 



Prime. 

 C. an gust a, Desh. Inv. Par. 508, pi. 37, f. 9-12. 1857. Is Corbicula 



a n g u s t a, Desh. 



'.). C. an gust i den s, Desh. Mellev. Terr. Tert. Par. 35, pi. 2, f. 1, 2. 1843. 

 Cyclas angustidens, d'Orb. Prod. 2, 304. 1850. 

 Hab. France, (fossil.) 



lit. C. a nomala, Desh. Proc. Zool. xxii. 21. 1854. 

 Cyrena Peruviana, Desh. In litt. 

 Hab. Peru. 

 C. a n t i q u a, Fer. Moll. Terr. Fluv. f. 5. Is Corbicula a n t i q u a, Prime. 



11. C. apicina, Dkr. Wald. 149. 1834. 

 Hab. Germany, (fossil.) 



12. C. a rat a, Forbes. Geol. II. vii. pi. 5, f. 6. 1851. 

 Hab. England, (fossil.) 



13. C. arc tat a, Desh. Proc. Zool. xxii. 20. 1854. 

 Hab. Maracaibo. 



14. C. ar en aria, Forbes. Rec. Sci. 

 Hab. England, (fossil.) 



C. A r n o u d i i, Pot. & Mich. Gal. Moll. 2, 192, pi. 61, f. 15, 16. 1838- 

 '44. Is Corbicula A r n o n d i i, Prime. 



C. arveniensis, Desh. Trait. Conch. 2, 698. 1843-'50. Is Cor- 

 bicula Arveniensis, Desh. 



15. C. as tart e, Dkr. Wiild. 153. 1831. 

 Hab. Germany, (fossil.) 



C. Australis, Desh. Encycl. 2, 50. 1830. Is Corbicula Austra- 

 lis, Desh. 



16. C. Beng alen sis, Lam. Lam. v. 554. 1818. 



Venus Bengalensis, Lister, pi. 345, f. 182. 

 Cyclas Bengalensis, Fer. 

 Hab. Asia. 



17. C.Bolivian a, Phil. Zeit. Malac. 70. 1851. 

 Hab. Bolivia. 



C. Bouilleti, Desh. Trait. Conch. 2, 698. 1843-50. Is Corbicula 



B o u ille ti, Desh. 

 C. breviuscula, Desh. Inv. Par. 503, pi. 36, f. 9-11. 1857. Is 



Corbicula breviuscula, Desh. 



I860.] 



