HELICIDJ]. 885 



tlie 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 Helic. 

 solidum} 



Sub-Genus Cryptosoma, Theob. 

 Helicarion (Cryptosoma) prjestans, 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 ra the Indian Museum, from Tenasserim, measures, axis 271^, diam. 

 31|- 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 (Huttonella) bicolor, Hutt. 



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



pi. 100, figs. 4-6. 

 En)iea (Huttonella) bicolor, Nevill, I.e., p. 25. 



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

 undoubtedly merely varieties of tliis most widely dispersed shell. 



Genus Streptaxis, Gray. 

 Streptaxis theobaldi, Bens. 



Streptaxis theolaUi, 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-hiU form. 



Genus Stenogyra, Shuttl. 

 Sub-Genus Opeas, AJb. 

 Stenogyra (Opeas) gracilis, Hutt. 



Bnlimusgraoilis,^n^t.,^ova'n. 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. 



Found abundantly at Tsagain and Bham6 on the Eirst Expedition. 



' Journ. As. Soc, Bengal, 1875. 



