208 



ZONITIDJE. 



is open, and only a slight projecting ridge of shell separates the 

 whole of the apex. 



Length 12, breadth 7, about 2 mm. high. 



Hob. Travancore and Tinnevelly Hills (Beddome). 



[Fig. 72. Pseudaustenia atra. 



A. View of right side. X 1'8. Shell removed. 



B. View of dorsal side. X 1*8. 

 0. View of left side. X 1'8. 



D. Portion of sole of foot, x 1'8. 



E. Shell of. X 1 '8. 



F. Male organ, showing spermatophore (sper.) in process of formation. 



X 3. 



Pseudcmstenia aterrima. 

 A'. Animal, seen from behind ; shell not removed, showing the 



membranaceous peristome and the dorsal lappets, x 1'8. 

 B r . Shell, x 3. Right side and interior views. 

 C'. Genitalia. X 1'8. 

 D'. Jaw. x 9.] 



Animal varying from chestnut or pale grey to black, more or 

 less mottled and banded. Length, when living, about 50 mm. 



