72 rALr))ESXRi>'iD.i:. 



to whicli the specimen above described belongs, and are all of a 

 dark colour, varying from lioht chestnut to yellowish-brown. 



JN'evii], in his ' Hand List of Mollusca in the Indian Museum,' 

 p. 34, quotes two subvarieties, as below : — 



A^ar. carinulata. 



Apparently a deformed specimen from Assam. 



A^ar. gigantea. 



No description, but presumably a large form from Calcutta. 



142. Bithynia travancorica, Benson. 



Bithynia travancorica., Benson, A. M. N. II. ser. 3, vi, 1860, 

 p. 259 ; H. & T., C. I. pi. 38, figs. 2, 3. 



Orif/inrd description : — Testa imperforata, conoideo-glohosa, irre- 

 gulariter striata, striis minutissimis spiralibus conferhm decussata, 

 albida, vel corneo-ilavescente, ti-anslucente ; spira dimidiura testae 

 asquante, apicem versus conoidea, vertice obtusiusculo hyalina, 

 sutura impressa ; anfractibus 4| convexis, uliimo globoso, antice 

 Bensim descendente ; apertura obliqua, ovata, margine sinisfro 

 calioso. callo extus sulco marginato. Operculo normali, cras- 

 siusculo, extus nonnunquam tenuiter radiatim striato ; nucleo 

 subceutrali. 



Alt. 6, diam. 5 mm. 



Bab. Ponds near Quilon. 



143. Bithynia lutea, Grcuj. 



Bithjnia lutea, Gray, Ann. Phil. 1824, p. 277. 

 Bithynia goniostavia, Ilutton MSS. 



Faludina pulchella, Iviister (not Benson), ed. Chemn. Paludina, 

 p. 30, pi. 6, fig. 19 ; H. & T., C. I. pi. 37, tig. 7. 



Testa angiiste perforata, globoso-ovata, sericina, tenera. sub- 

 pell ucida, obsolete striata, subtilissime concentrice lineata, pallide 

 ferruginea ; spira obtusa ; anfractibus 5 convexis, ultimo basi 

 albo ; apertura subovali, marginibus conjunctis, albo-callosis ; 

 peristomare reflexiusculo, basi angulato subauriculato. (Kiister.) 



Alt. 7"25, diam. 5-5 ram. 



Bah. Purneah (Gonch. lud.). 



144. Bithynia moreletiana, I\evill. 



Bithynia onoreletiana, Nevill, J. A. S. B. xlvi, pt. 2, p. 29 ; 

 op. cit., ], pt. 2, p. 156, pi. 6, fig. 14. 



Oricfinal description: — In shape resembling B. lutea, Gray 

 (Conch. Ind. pi. 37, fig. 7); spire peculiarly short, apex very 

 obtuse and flattened, ah^ays eroded, but not decollated ; whorls 



