67 



Sub-genus AZARA, D'Orbigny, 



Voj. Amer. Merid. t. vii, 1839. 



Potamomya, Sowerby, Conch. Man. 88, 1839. 



64. C. adusta, Hinds, Zool. Proc. 26, 1844. 



lieeve, icon. Sp. 30. Neiv Zealand. 



65. C. aequalis, C. B. Adams, Pan. Cat. 295, 1852. 



0. injlata, C. B. Adams, Panama, Cat. 296, 1852. Panama. 



66. C. labiata, (Mva), Maton. Linn. Trans, viii, 326, t. 24, 

 f. 1—3, 1807. 



Wood, Index Test, t. 3, f. 39, 1828. Singapore. 



67. C. nimbosa, Sowerbj, Conch. Man. f. 498, 499. 

 Reeve, Icon. Sp. 31. Eio de la Plata. 



68. C. ochreata, Hinds, Zool. Proc. 59, 1843. 



Reeve, Icon. Sp. 32. Brazil. 



69. C. procera, Hinds, Zool. Proc. 26, 1844. 



Rueve, Icon. Sp. 29. Hab. — ? 



70. C. rustica, Gould, Bost. Proc. viii, 28, 1861. 



Whampoa Bay. 



71. C. trigonalis, C. B. Adams,* Panama, Cat. 296, 1852. 



Panama. 



72. C. undata, Conrad, Am. Jour. Conch, ii, 280, t. 15, f. 9, 

 10, 15, 1«66. Rio de la Plata. 



73. C. ustulata, Reeve, Icon. Sp. 25, 1844. Singapore. 



Genus SPHENIA, Turton. 

 Conch. Desh. 36, 3822. 



1. S. Binghami, Turton, Conch. Djth. 36, t. 19, f. 3, 1822. 



England. 



2. S. fragilis, Carpenter, Mazatlan, Cat. 24, 1855. 



Mazatlan — California . 



3. S. OVOidea, Carpenter, Proc. Philad. Acad. 54, 1865. 



Puget's Sound. 



4. S. Ruppellii, A. Adams, Zool. Proc. 89, 1850. Bed Sea. 



* Probably a synonym of C. cerpcahs. 



