PURPURIN^. BUCCINiE. 



301 



CoNCHoLEPAS Lam. Patelliform ; spire lateral, nearly 

 obsolete; pillar none. 



C. Peruviana. Sow. Gen. {fig. 71. a.) 



MoNocEROs Lam. Spire moderate ; a 

 strong tooth-like process, at the base of 

 the outer lip. (^fig. 6^.) 



M. imbncatuni. Sow. Gen. f. I. 

 cingulatum. lb. fig. 4. 



MicROTOMA Sw. Pillar very broad and 

 curving inwards ; aperture effuse ; 

 the notch at the base small, and nearly 

 obsolete ; spire very short, 

 patula. Mart. 69. f. 758, 759. persica. En. Meth. 397. f. 1. 

 unicolor Sw. Chem. f. 1449. 



Purpura Lam. Spire more prominent ; 

 inner lip flattened ; the basal notch 

 wide and distinct.* {fig. 70, 71. &•) 



P. coronata. En. Meth. 397. f. 1. 

 succincta. lb. 398. f. 1. 



SuB-FAM. 5. BUCCININ.E. 

 Spire always as long as the aperture, and 



* United to Ricinula by P. columellaris, Ency. Meth. 598. fig. 3., and 

 Ricinida morus, Ency. Meth. 395. fig. 6. 



