112 



49. D. angustatus, Sowberby, Thes. Conch, iii, 309, f. 44. 



Hah.—? 

 49a. D. vellus, Desh., Zool. Proc. 351, 1854. 



Sowerbj, Tlies. Conch, iii, 309, f. 40, 41. Reeve, Donax, 

 Sp. 41. Acapulco. 



50. D. caelatus, Carpenter, Mazat. Cat. 46, 1855. Mazatlan. 



51. D. Californicus, Conrad, Jour. Acad. Philad. vii, t. 19, f. 



21, 1837. 

 Sowerby, Thes. Conch, iii, 310, f. 54, 56, 57. 

 D. culter, Hanley, MSS. Reeve, Donax, Sp. 21, 1854. 

 D. ohesHS, Goukl, Bost. Proc. iv, 90, 1851. 

 D. obesiis, Phil., Zeit. Mai. 75, 1851. Gulf of California. 



62. D. Carpenteri, H. and A. Adams, Genera ii, 405, 1856. 

 JI. semistriatus, (Preoc), Carpenter, Zool. Proc. 230, 1855. 



53. D. Conradi, Desh., Zool. Proc. 351, 1854. 



Sowb., Thes. Conch, iii, 310, f. 51. Reeve, Donax, Sp. 29. 

 D. Californicus, Deshayes, Carpenter, Mazat. Cat. 1855. 



Gulf of California. 



54. D. COntusus, Reeve, Donax, Sp. 24, 1854. 

 Sowb., Thes. Conch, iii, 310, f. 53, 55. 



D. affinis, Desh., Zool. Proc. 351, 1854. 



I), bitinctus, Reeve, Donax, Sp. 68, 1854. 3Iazatlan.. 



55. D. crocatus, Gould, Bost. Proc. iii, 255, 1850. 



Moll. Wilkes' Exped. 412, f. 522. Sooloo Sea. 



56. D. Cumingii, Dunker, Guinea Moll. 52, t. 8, f. 4—6, 



1853. 

 Sowerby, Thes. Conch, iii, 314, f. 64 — 65. Guinea. 



67. D. fossor, Say, Jour. Philad. Acad, ii, 306, 1822. 



Amer. Conch, t. 61, f. 2. New Jersey — Maryland. 



58. D. gracilis, Hanley, MS. Reeve, Donax, Sp. 38, 1854. 

 Thes. iii, 314, f. 76 — 79. Gulf of Guayaquil. 



59. D. inceratus, Reeve, Donax, Sp. 61, 1855. 



Sowerby, Thes. Conch, iii, 312, f. 112. Hah.—? 



60. D. lunularis, Phil., Zeit. Mai. 77, 1847. 



Reeve, Donax, Sp. 20, 1854. Hah.—? 



61. D. navicula, Hanley, MSS. Reeve, Donax, Sp. 18, 1854. 



Thes. Conch, iii, 314, f. 80. Central America. 



62. D. nitidus, Desh., Zool. Proc. 350, 1854. Reeve, Donax, 



Sp. 34, 1854. 

 Sowb. Thes. Conch, iii, 314, f. 75. Australia. 



