188 



GENUS XV. 



ACHATINEIIA s 



WAINSON. 



Testa imperforata, bulimiforinis; columella basi vel me- 

 dio in dentem validum, interdum tortum, lamelliformem pro- 

 ducta; apertura longitudinalis, lunaris; peristoma simplex vel 

 labiatum, margmibus inaequalibus ^). 



o) Testa solida, opaca. 



b) Testa Cornea, pellucida. 

 Achatinella pyramis Pfr. 25. Coli. Grüner. 



clara Pfr. 



27. =») ibid. 



