84 Bulletin 15 394 



Pliocene and living in shallow water from Cape Hatteras to the 

 Antilles. 



PYRAZISINUS HARRISI sp. nov. 



This species from the Chipola marls, described on a preced- 

 ing page, is closely allied to Cerithhim corriigatiim Basterot, from 

 the Oligocene of the Gironde. 



RISSOINA DECUSSATA Montagu 

 Helix decussata Montagu, Test. Brit., 1803, p. 399. 



Cited by Benoist (Cat. p. 287) from the Gironde Oligocene. 

 Dall {Trans. Wag. Free Inst. Set., iii, p. 343), Oligocene of the 

 Chipola beds, Caloosahatchie beds, living in the Antilles and the 

 Mediterranean. 



CREPIDULA PLANA Say 

 Jour-. Acad. Nat. Set., Phila., ii, p. 226, 1822. 



This species cannot be distinguished from C. ung7dformis 

 Lmk. (Dall, loc. cit., p. 358). Oligocene of the Chipola marl, 

 Miocene, Pliocene, Post-Pliocene. Recent on Atlantic coast. 

 C. unguiformis Lmk. cited by Benoist (Cat. p. 275) from the Gi- 

 ronde Oligocene. 



XENOPHORA GONCHYLIOPHORA Born 

 Trochus conchyliophorus Born, Mus. Caes. Ind., p. 333, 1778. 



A variety of this species is found, according to Grateloup, in 

 the Adour valley (Atlas, pi. 13, figs, i, 2, 1840). This species 

 is reported from the Cretaceous of Alabama and New Jersey, the 

 Eocene of Wood's Bluff and Jackson, the Oligocene of the Orthau- 

 lax bed and the Tampa limestone, the Miocene, the Pliocene; 

 living along the Atlantic coast from Cape Hatteras to the Antilles, 

 and in the Gulf of Mexico. 



AMPUIvLINA CRASSATINA (Lmk.) Desh. 

 Natica crassatina Deshayes, Anim. s. vert., 3, p. 58; 2, p. 171, pi. 20, figs, i, 2. 



Oligocene of the Adour, Grateloup (Atlas, pi. 6 (i), fig. 3); 

 of the Gironde, Fallot (I'E^tage Tongr. Gironde), Benoist {Ad. 

 Soc. Lin., Bordeaux, 1885); of Mainz, Sandberger (Mainz Tert., 



