131 



33. C. debilis, Desliayes. 



Cyrena debilis, Gould, Proc. Soc. N. H. Bost. iil, 293, 1850. 



U. S. Explor. Expedit. xii, 427, pi. xxxvi, f. 529, a. b. 



1852. 

 Corhicula debilis, Deshayes, Brit. Mus. Cat. Conchif. 234, 



1854. Hunter River, Neio Holland. 



34. C. Delessertiana, Prime, Ann. Ljc. N. H. N. Y. ix, 



1869. J^gypi cind Smyrna. 



35. C. difficilis, Prime, Cat. Corb. 4, 1863. 



Ann. Lye. N. H. N. Y. 62, f. 7, 1864. North Africa ? 



36. C. ducalis, Prime. 



Cyrena jiuminea, Mousson, Philippi, Abbild. Conch, ii, 76, 

 pi. 1, f. 3, 1847. Moll. Java, 87, pi. xx, f. 3, 1848. 



Corbicula ducalis, Prime, Proc. Soc. N. H. Bost. viii, 274, 

 1862. Prime, Cat. Corb. 4, 1863. Ann. Lye. N. H. 

 N. Y. viii, 225, f. 58, 1866. Java. 



37. C. episcopalis, Prime, Ann. Lye. N. H. N. Y. ix, 1869. 



Cambodia. 



38. C. erosa, Prime, Proc. Ac. N. S. Phila. 126, 1861. 

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



213, f. 40, 1866. Cambodia. 



39. C. fluminalis, Megerle. 



Tellina jiuminalis, Miiller, Verm, ii, 205, 1774. 



Venus jiuminalis, Chemnitz, Martini et Chemnitz, vi, 319, 



pi. XXX, f. 320, 1782. 

 Cyclas Bruguiere, Encyel. Meth. pi. 301, f. 2, 1792. 

 Cyclas Euphratica, Lamarek, An. Mus. Hist. Nat. vii, 420, 

 I 1806. 

 \Corbicula jiuminalis, Megerle, Mag. Gesell. Naturf. Berlin, v, 



1811. 

 Cyrena fuscata, var. Lamarck, Lam. An. v, 552, 1818. 

 Cyrena jiuminalis, Bourguignat, Cat. Sauley. 79, 1852. 

 Corbicula jiuminalis, Megerle, Brit. Mus. Cat. Conchif. 222. 



1854. River Euphrates. 



40. C. fluminea, Deshayes. 



Tellina jiuminea, Miiller, Verm. ii. 206, 1774. 



Venus jiuminea, Chemnitz, Martini et Chemnitz, vi, 321, pi. 



XXX, f. 322, 323, 1782. 

 Cyclas Chinensis, Lamarck, Ann. Mus. Hist. Nat. vii, 421, 



1806. 

 Corbicula jiuminea, Deshayes, Brit. Mus. Cat Conchif. 226, 



1854. Ann. Lye. N. H. N. Y. viii, 60, f. 4, 1864. 



China. 



