HELICIDiE. 885 



the mantle lobes and caudal extremity than on the rest of the foot ; this, as far as it 

 goes, would seem to agree fairly with the original description of the animal of JELelic. 

 solidum} 



Sub-Genus Cryptosoma, Theob. 

 Helicarion (Cryptosoma) pr^stans, Gld. 



Vitrina prastans, Gld., Proc. Bost. Nat. Hist. Soc, 1843, p. 100; Con. Indica, pi. Ixv, figs. 5, 6. 

 Helicarion {Cryptosoma) prastans, Nevill, I. c, p. 25. 



The entire shell is covered with a thick and compact brown epidermis ; the 

 largest specimen in the Indian Museum, from Tenasserim, measures, axis 27 J, diam. 

 31J mm. It is an extremely abundant species in Tenasserim, and also near Moul- 

 mein. Dr. Anderson found it abundant at Sawady and on the banks of the Irawady, 

 2nd Defile. 



Genus Ennea, Alb. 



Sub -Genus Huttonella, Pfr. 



Ennea (HrxTONELLA) bicolor, Hutt. 



Pupa Ucolor, Hutt., Joum. As. Soc, Bengal, vol. iii, 1834, p. 86, No. 8 ; p. 93, No. 8 ; Con. Indica, 



pi. 100, figs. 4-6. 

 Ennea (Huttonella) bicolor, Nevill, I.e., p. 25. 



Eairly abundant at Bham6. Both E. mellita, Gld., and E. ceylonica, Pfr., are 

 undoubtedly merely varieties of this most widely dispersed shell. 



Genus Streptaxis, Gray. 

 Streptaxis theobaldi, Bens. 



Streptaxis theobaldi, Bens., Ann. and Mag. Nat. Hist., ser. 3, 1859, vol. iii, p. 187; Con. Indica, 

 pi. viii, fig. 8 ; Nevill, I. c, p. 25. 



A few specimens were found at Bhamo, agreeing exactly with the typical 

 Khasi-hill form. 



Genus Stenogyra, Shuttl. 

 Sub- Genus Ope as. Alb. 

 Stenogyra (Opeas) gracilis, Hutt. 



Bnlimus gracilis, Hutt., Jonm. As. Soc, Bengal, vol. iii, 1834, p, 84, No. 5; p. 93, No. 5; Con. 



Indica, pi. xxiii, fig. 4. 

 Stenogyra [Opeas) gracilis, Nevill, I. c, p. 25. 



Pound abundantly at Tsagain and Bhamo on the Pirst Expedition. 



* Journ. As. Soc, Bengal, 1875. 



