l6 



VIVIPARA. 



2. VIVIPARA INORNATA, B'mney. 

 Plate 14, figure 3. 



Shell globosely turbinate, thin, smooth, pol- 

 ished, narrowly jDerforate, apex perfect, whorls 

 5, sutures moderately impressed, lip large, 

 broadly oval. Light olive color, white within 

 the aperture. 



Length 19, diam. 17 mill. 



Chopatilo, Mexico. 



This species is more elevated and not so 

 globose as intertexta. It also differs from that 

 species in having a smooth polished surface, 

 intertexta being covered with close revolving 

 lines. 



3. VIVIPARA GEORGIANA, Lea. 



Hald., p. 23, t. vii, f. 1—2. 

 Plate 14, fig. 5. 



To the above-quoted description I may add 

 that from V. lineata, Kiist., it may be distin- 

 guished by its closer volutions, which are much 

 [42] 



