MOLIvUSCA OF THE GuivF OF MEXICO 112 



iurrecisia Dall, Proc, U. S. N. M., 46, p, 235, pi. 22. f. 9, 1914. 



Distribution. — Upper Miocene or Pliocene. Well near Al- 

 exandria, I^a., at 49 feet. Brackish water formation. 



?ni!iiim Dall, Proc. U. S. N. M., 46, p. 235, pi. 22, f. 2, 1914. 



DivStribution. — Upper Miocene or Pliocene.. Well near Al- 

 exandria, I^a., at 49 feet. 



Genus ASSIfvlSf^EA Leach 



auberiana d'Orbigny, Moll. Cuba, 2, p. 8, pi. 10, f. 6, 7, 1842, 

 Paludestrina)\V)2X\ Pr. U. S. N. M., 6, p. 335, 1883; 

 Bull. 37, U. S. N. M., p. 150, '89; Tr. W. 1. S. 3, P- 347. 

 1892. 



Distribution. — Cedar Keys, West Florida, and the Antilles. 

 Pliocene, Caloosahatchie and Shell Creek, West Fla. 



Genus TRUNCATELLA Risso 



caribaeensis Sowerby (MSS.); Reeve, Conch. Syst. 2, pi. 182, f, 

 7, 1842; Binney, Land & Fr-Water Shells, N. A. Smith. 

 Misc. Coll., No. 144, pt. 3, p. q8, pi. 198, 1865; Dall, Bull. 

 37, U. S. N. M., p. 152, '89; Dall & Simpson, Bull. U. S. 

 Fish Com., i, p. 436, pi. 53, f. 7, 1901. 



Distribution. — West Florida, Alabama, Texas (?) and Mex- 

 ico. Also Greater Antilles. 



bilabsata Pfeiffer, Wiegm. Arch., i, p. 253, 1840; Binny, L. and 

 Fr. W. Sh. N. A., pt. 3, p. 99, f. 199, 1865; Dall, Bull. 37, 

 U. S. N. M.. p. 152, '89. 



Distribution. — Sarasota, West Florida, to Honduras and 

 Cuba. 



puJchella Pfeiffer, Wiegm. Arch., i,p. 356, 1839; Binney, U. and 

 Fr. W. Sh. N. A., pt, 3, p. 99, f. 200. 1865; Dall, Bull. 37, 

 U. S. N. M. p. 152, '89; Dall & Simpson, Bull. U. S. Fish 

 Com., I, p. 436, 1901. 



Distribution. — Florida to St. Thomas, W. I. Gulf coast: 



