PART II. 



PUBPUBIN-SS. BUGGING. 



SOI 



CONCHOLEPAS Lam. Patelliform ; spire lateral, nearly 

 obsolete; pillar none. 



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



MONOCEBOS Lam. Spire moderate; a 

 strong tooth-like process, at the base of 

 the outer lip. (fig. 69.) 



M. imbricatum. Sow. Gen. f. 1. 

 cingulatum. Ib. fig. 4. 



MICBOTOMA 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. 



PUBPUBA Lam. Spire more prominent ; 

 inner lip flattened ; the basal notch 

 wide and distinct.* (fig. 70, 71. &.) 



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

 succincta. Ib. 398. f. 1. 



SUB-FAM. 5. 



Spire always as long as the aperture, and 



* United to Ricinula by P. columellaris, Ency. Meth. 398. fig. 3., and 

 Ricinuia morut, Ency. Meth. 395. fig. 6. 



