GASTROPODA— TURBINELLIDJE. 



783 



Lower Miocenic (Oligocenic?) of Santo Domingo, Chipolan beds 

 and Alum Bluff beds of Florida. 



574. V. horridum Heilprin. 



Pliocenic. 



Fig. 1 143. Turbinella chipolana, 

 young shell, X I - 2 - (After Dall.) 



Fig. 1 144. Vosum haitense, X %- 

 (After Sowerby. ) 



With numerous, strong, compressed, slightly upward curving 

 spines opening forward, and covering most of the spire and body 

 whorl. 



Caloosahatchie beds of Florida. 



CLXXVI. Mazzalina Conrad. 



Shells thick, of smooth, strongly convex whorls 

 contracted below to a curved canal ; outer lip regu- 

 larly curved ; a faint posterior canal generally devel- 

 oped; typically with columellar plaits. Eocenie- 

 Recent. 

 575. M. (Bulbifusus) inaurata (Conrad). (Fig. 



II45-) Eocenic. 



Suture sunken from thickening of whorl just 

 below; columella smooth. 



Represented by numerous varieties in Chicka- 

 sawan, Claibornian and Jacksonian beds of the Gulf 

 States. 



Fig. 1 145. 

 Mazzalina {Bul- 

 bifusus) inaurata 

 var. plena. ( After 

 Harris. ) 



