VAGINULUS. 483 



sangsue dont le nom du pays esfc Alte. L'etiquette du Museum 

 1'inclique comtne etant des eaux douces, ce qui nous paroit meriter 

 confirmation." (Ferussac.} 



Fig. 153. Vagi-nidus alte. 

 (Copied from Ferussac, Hist. Nat. Moll.) 



Length 52 mm., breadth 19*5 mm. (ex icon.). 

 Hab. India: Pondicherri (Leschenault). 



473. Vaginulus frauenfeldi, Semper. 



Vaginula frauenfeldi, Semper, Reisen Arch. Philipp. 2 te Teil, iii, 



1 885, P : 324, pi. 27, fig. 32. 

 Veronicella frauenfeldi, Cockerell, The Conchologist, ii, 1893, 



pp. 193, 215. 



Original description (in German) : " Roundly truncated an- 

 teriorly and posteriorly ; skin rather smooth, the tubercles very- 

 small and crowded, each provided at the apex with a pit which, 

 in large specimens especially, is of considerable size. The dorsal 

 surface is greyish-brown with black spots, with a median yellow 

 line which at neither end reaches quite to the mantle. Lower 

 surface light yellowish-brown, upper tentacles bluish-black. 



" Length 24 mm., breadth 10'5 mm. Sole 4 mm. wide, 

 43 mm., 16 mm. ,, 6 mm. wide." 



Hob. India: Madras (Vienna Museum}. (Semper.} 



The folds of the foot-sole are at the rate of 40 to 10 mm. 



