PARMACELLA. LIMAX. TESTACELLA. 19 



spiral; on the other broader, thinner, and flat- 

 tened. 



D. RuMPHii. S. 255. 



LES LIMACIENS. 



PARMACELLA. TERRESTRIAL. 



A rare genus of slugs, bearing a testaceous plate 

 enveloped in a fleshy shield, 



P. CALYCULATA. S. 256. 



LIIVIAX. TERRESTRIAL. 



Shell small, extremely thin, enclosed in a coriaceous 

 shield, oblong-ovate, not convolute, but ivith a 

 cavity at top. 



L. ciNEREUS. Small, very thick and hard, 

 variously formed, rarely concave, and easily dis- 

 tinguished by its short obliquely placed keel. 

 B. T. 17. 



TESTACELLA. TERRESTRIAL. 



Shell very small, external, somewhat ear-shaped ; 

 apex obsoletely spiral; aperture very large, 

 oval, with outer lip inflected. 



T. HALIOTOIDEA. B. E. 464. 3. 



