U. S. NATIONAL MUSEUM 



PROCEEDINGS. VOL 82, ART. 19 PL. 1 



West African Snails 



1, 2, Pseudotrochus turbinatus (Lea): Face and back views of the type; 3, 4, Archachatina gahoonensis, new 

 species: Face and back views of the type; 5, Pseudotrochus coffeamontis, new species: Face of the type; 

 6, 7, P. leai, new species: Face and back of the type. 



