Genus PARAPHOLAS, Conrad. 

 Proc. Acad. Nat. Sci. Philad. 121, 1848. 



1. P. Californica, Conrad, Proc. Philad. Acad. 121, 1848. 



Jour. Philad. Acad. vii. 236, t. 18, f. 5. 

 Sowerby, Thes. li. t. 102, f. 6, 7. Hanley, Desc. Cat. t. 

 9, f. 43. 

 Pholas Janelli^ Deshayes, Zool. Proc. 357, 1839. Guerin's 

 Magazine, t. 14, 15, 10, 1840. Cbenu, lUus. Conch., 

 Pholas, t. 3, f. 5. Chenu, Man. ii. f. 41, 42. California. 



2. P. quadrizonalis, Spengler, Sowerby, Thes. Conch, ii. 492, 



t. 108, f. 88, 89. 

 Pholas Incii, Sowerby, Zool. Proc. 1849. Thes. Conch, ii. 

 491, t. 105, f. 45, 46. Torres Straits. 



Genus PEIflTELLA, Valenciennes. 

 Voyage Venus, atlas, t. 24. 



1. P. curvata, Tryon, Am. Jour. Conch, i. 40, t. 2, f. 6 — 8, 



1865. Sts. of Fuca. 



2. P. parva, Tryon, Am. Jour. Conch, i. 89, t. 2, f. 4, 5, 1865. 



Loiver California. 



3. P. penita, Conrad, Jour. Philad. Acad. vii. 237, t. 18, f. 7, 



1837. 

 Pholas concamerata, Deshayes, Rev. Zoologique, 359, 1839. 



Guerin's Mag. t. 17, 1840. Chenu, 111. Conch, t. 3, f. 4. 



Sowerby, Thes. ii. 497, t. 106, f. 67, 68, 1849. Chenu, 



Man. ii. f. 43, 44. 

 Pholas cucuUata, Gray, Syn. Brit. Mus. 1840. 

 Penitella Conradi., Valenciennes, Voy. Venus, t. 24, f. 1. 

 Pholas cornea ? Sowerby, Zool. Proc. 12, 1834. 



Genus JOUANNETIA, Desmoulins. 

 Bull. Linn. Soc. Bordeaux, ii. 244. 



1. J. Cumingii, Sowerby, Zool. Proc. 161, 1849. 



Sowerby, Thes. ii. t. 106, f. 56, 57. Chenu, Man. ii. f. 38. 



Philippines. 



2. J. Duchassaingi, Deshayes, Fischer, Jour, de Conchyl. 



375, t. 15, f. 3, 1862. Panama. 



.3. J. globosa, Quoy, Mollusques, Voy. Astrolabe, 549, t. 85, 

 f. 16—18, 1832. 

 Sowerby, Thes. ii. t. 106, f. 54, 55. Chenu, Man. ii. f. 36. 

 Gray, Figs. Moll. Anim. t. 338, f. 3. Philippines. 



