22 VIVIPARA. 
Distinguished from V. subpurpurea by’ hav- 
ing six whorls, which are much narrower than 
in that species. The spire is almost double 
the length of that of subpurpurea, and the 
epidermis is lighter colored. 
—_— 
8. VIVIPARA RUFA, Haldeman. 
Hald., p. 3 of wrapper No. 3, t. 3, fig. 1. 
Plate 12, fig. 12 (outline of deformed specimen.) 
Shell ovate-elongate, smooth, polished, 
whorls 5, with well impressed sutures, apex 
entire and acute. Green, with frequently 
divided bands of red under the epidermis, 
within red. 
Length 28, diam. 18 mill. 
Western New York to Wisconsin. Georgia? 
This species may be distinguished. from V. 
decisa by its more polished surface and entire 
apex, and more particularly by its interior 
coloration. 
[48] 
