NATURAL SCIENCES OF PHILADELPHIA. 287 



172. C. ventricosa, Desh. Proc. Zool, xxii. 16. 1854. 

 Hab. Philippines. 



173. C. vejiulina, Dkr. Wald. 155. 1834. 



Hab, Germany, (fossil.) , 



C. violacea, Lam. Lam, v. 553. 1818. Is Batissa violacea, 



Adams. 

 C. Woodiana, Lea. Trans. Amer. Phil. Soc, v. 110, pi. 18, f. 55. 

 1832, Is Corbicula Wo o d i an a , Adams. 



174. C. W r i g h t i i , Forbes. Rec. Sci. 2, pi. iv. f. 4. 



Cyrena pulchr a, Wright. Ann. n. h. 

 Hab. England, (fossil.) 



175. C. Zeylanica, Lam. Lam. v. 1818. Delessert, pi. vii. 1841. 



Venus Ceylonica, Chemn. vi. 333, pi. 32, f. 336. 1769. 

 V. coaxans, Gml. 3278, f. 336. 1788. 

 Cyclas Zeylanica, Lam. Ann. Mus. vii. 420. 1806. 

 Hab. Ceylon. 



176. C. Z immermannii, Dkr. Wald. 151. 1834. 

 Hab. Germany, (fossil.) 



Sph^ricm, Scopoli. 



1. Sph. a c um i n atu m, Pr. Ads. rec. gen. ii. 450. 1858. 



Cycl. acuminata, Pr. Bost. Proc. iv. 155. 1851. Loc. sup. cit. iv. 283. 



1852. Jay, Cat. iv. ed. 466. 1852. Bgt. Amen. 1, p. 7. 1853. 

 Cycl. albula, Pr. Bost. Proc. iv. 155. 1851. Jay, Cat. iv. ed. 466. 1852. 



Bgt. Amen. 1, p. 7. 1853. 

 Cycl. inornata, Pr. Bost. Proc. iv. 159. 1851. Loc. sup. cit. iv. 284. 



1852. Bgt. Amen. 1, p. 8. 1853. 

 Cycl. simplex, Pr. Bost. Proc. iv. 159. 1851. Loc. sup. cit. iv. 284. 1852. 

 Sph. albulum, Pr. Ads. rec. gen. ii. 450. 1858. 

 Sph. inornalum, Pr. Loc. sup. cit. ii. 450. 1858. 

 Sph. simplex, Pr. Loc. sup. cit. ii. 450. 1858. 

 Hab. N. Amer. 

 Cycl. a c u t a, Pf. Moll. Germ. 230. 1821. Is Pisid. H e n s 1 o wian u m, 



Jen. 

 Cycl. (Physemoda) a q u a 1 i s, Rafin. Bory St. Vt. An. gen. sci. phy. v. 319. 



1820. Is Pisid. Virgin ic u m, Bgt. 

 Cycl. sd q u at a, Sheph. Mss. 1840. Is Sph. r i v i c ola, Lam. 

 Cycl. al a ta, Leach. Moll. Gt. Brit. 291. 1852. Is Sph. co r ne u m, Scop. 

 Sph. al bulum, Pr. Ads. rec. gen. ii. 450. 1858. IsSph. acumina- 

 tum, Pr. 

 Cycl. alpina, d'Orb. Prod. 2, 381. 1850. Is Cyrena a 1 p i n a, Bgt. 

 Cycl. altilis, Aath. C. B. Adams, Cat. 29. 1847. Is Pisid. c o m p r es- 

 s u m, Pr. 



*! 



2. Sph. altum, Dumt. & Mort. 



Cyclas alia, D. k M. Moll. Sav. 1852. 

 Hab. Italy, (fossil.) 

 Cycl. an mica, Turt. Conch. 250, pi. 2, f. 15. 1822. Is Pisidium an- 



m i c u m, Jen. 

 Cycl. angulata, Sowb. Geol. Trans. 2d ser. iv. 176, 346, pi. xxi. f. 12. 



1836. Is Cyrena Man tell i, Dkr. 

 Cycl. an gu st id e n s, d'Orb. Prod. 2, 304. 1850. Is Cyrena a n g u s- 



t i d ens, Desh. 

 Cycl. a ntiqua, d'Orb. Prod. 2, 304. 1850. Is Cyrena a n t i q u a, Fer. 

 Cycl. a p pen dicu lata, Turt. Man. 15, pi. 1, f. 6. 1831. Is Pisidium 



Heaslowianum, Jen. 



I860.] 



* NTRM, PARK, 



