50 



ZONITID^. 



Major diam. 50 (a large shell 63), min. 38, axis 30 mm. ; aper- 

 ture (obliquely) 32 broad, 30 high. 



Hah. On the western slopes of the Wynaad, Nilgiri, and 

 Anaimalai hills at moderate elevations (3000'). 



The animal, as represented in a drawing for which I am in- 

 debted to Sir Walter Elliot, is greenish yellow, but according to 

 Col. Beddome it is black. It probably varies. Beddome found 

 it feedius on larse funsi. 



Genus RAVANA. 

 Eavana, Godioin-Austen, Proc. Mai. Sue. iv, 1901, p. 2G1. 

 Type, R. 2iolitissima (Pfr.), 

 Range. South-western Ceylon. 



[Fig. 29. — Havana poUtissima. 



A. Genitalia, detached, x 3. 



B. Mantle-margin (m) viewed from the left side; lower ingnre from the 



underside, showing dorsal lobes. X 3. 



C. Jaw and teeth of the radula from different parts of the row. X 244. 



D. Extremity of foot with mucous gland. X 5'3. 



E. Buccal mass and salivary glands ; the latter are not in their natural 



position, owing to a twist in the intestine, c;-, crop ; h, buccal mass; 

 on, mouth; r.mh, retractor of the buccal mass.] 



Shell like that of Macrochlamys, perforate, depressed, thin, 

 smooth, and horny. 



