389 Dominican Fossils — Maury 125 



Not Cerithium uniseriale Sowerby, Quart. Jour. Geol. Soc, vol. 6, p. 

 51, 1S49. 



Shell slender, high- spired; whorls ten, the first two smooth, 

 nuclear, following whorls with fine, granular, somewhat inter- 

 rupted spirals, and a row, sometimes doubled, of small pustules 

 beneath the suture; aperture narrowly ovate; inner lip with a 

 thick callus terminating in an elongated, posterior tooth. Length 

 18, width 7 mm. 



Locality (Exp'd '16) Zone D, Rio Gurabo at Los Que- 



mados. 



Cerithium turriculum? Gabb 

 Plate 22, Figure 6 

 Cerithium terriculum Gabb, Trans. Amer. Phil. Soc, vol. 15, p. 238, 



i§73- 



We have an unlabelled specimen sent by Gabb which judg- 

 ing from his description is the unfigured C. turriculum. 



Cerithiu?n doviinicense Gabb 

 Plate 22, Figure 7 



Cerithium dominicense Gabb, Trans. Amer. Phil. Soc., vol. 15, p. 238, 



1873- 

 Our shells appear to be Gabb's unfigured C. dominicense. 

 Locality. — (Exp'd '16) Zone D (Abundant), Rio Gurabo 

 at Los Quemados. 



Genus Bittium (Leach) Gray 



Bittium asperoides Gabb 



Plate 21, Figure 17 



Bittium asperoides Gabb, Trans. Amer. Phil. Soc, vol. 15, p. 239, 



1873. 

 We have a number of Gabb's metatypes of this unfigured 



