24 BULI.ET1N 34 5^ 



Distribution. — Hatteras to Venezuela, lo-iSo fms. Pliocene 

 to Recent. Gulf coast, — Cedar Keys ; typical and variety 

 brevicauda, Texas coast. Pliocene : Caloosahatchie. 



vitrea Reeve 



Aviada vitrea Reeve, Conch. Icon. Aviaila, pi. i8, fig. 68, 



1857- 

 nitida Verrill, List Fish Comn. Moll., p. 28 1, 1884; Dall, 



Bull. 37, U, S. Nat. Mus., p. 36, 1889. 

 hirundo v-SiX . vitrea Dall, Trans. Wagner Inst., 3, pt. 4, p. 

 670, 1898. 

 Distribution. — Rhode Island to Tortugas, 28 to 192 fms. 

 Pleistocene to Recent. West Florida. 



Genus MARGARITIPHORA Megerle 



placunoides Reeve 



Avicula placunoides Reeve, Conch. Icon., Avicula, pi. 17, 



fig. 68. 

 placunoides List Cameron Shells (Manuscript). Cameron, 

 Louisiana. 

 radiata Leach 



Avicula radiata Leach, Zool. Miscellany, vol. i, p. 98, pi- 



43, 1814. 

 radiata Dall, Trans. Wagner Inst. Sci., 3, pt. 4, p. 668, 



1898. 

 Pteria radiata Dall and Simpson, Bull. U. S. Fish Comm., 

 vol. I, p. 463, 1901. 

 Distribution. — Bermuda to Brazil. Gulf Coast. — Cameron, 

 La., Pass Cabello, Texas. 



Genus OSTREA Linnaeus 

 virginica Gmelin 



vir^iniana Lister, Historise Conch., t. 200, f. 32, 1692. Not 



binomial. 

 virginica Gmelin, Syst. Nat., p. 3336, 1792. 

 borealis Lamarck, An. sans Vert., 6, p. 204, 1819. 

 virginia7ia Sowerby, Genera Shells, Ostrea, f. 2, 1822 ; 

 Holmes, Post-Plio. Foss. S. Car., p. 9, pi. 2, fig. 9, 1858. 



