CONCHOLOGIA 



5, 6. 



goniostoma, Hutt. t. 37, f 



lutea '). 

 iuconspicua, Dolirn, t. 37, f 

 Iravadica, Bl. t. 37, f. 10. 

 Nassa,2 Th. t. 37, f. 8, 9. 

 orcula,3 Bn. t. 38, f. 8, 9. 

 pulchella, Bn. t. 38, f. 5, 6. 

 stenothyroides, Dolirn, t. 38, f, 



10. 

 Travaucorica. Bn. t. 38, f. 2, 3. 



(as 



Valvata. 

 piscinalis, Miiller. (Ca; 



Planorbis. 



calathus, Bn. t. 39, f. 1, 

 Cantoii, Bn. t. 40, f. 1, 

 csBuosusj Bn. t. 39, f. 7, 

 compressus, Hut. t. 99, 1 

 convexinscnlns, Hut. t. 



10. 

 elegantnlus, Dohrn, t. 15i 



BRACKISH -WATER 



Nematura.' 

 Delta), Bn. t. 37, f. 2. 



foveolata, Bn. t. 

 minima,* Sow. t. 



348, pi. 31, i. 22, 23, 24) from the Ganges, said to have n black 

 peristome. It reminds oue of cerameopoma. 



' Three species were found on Gray's type-tablet, of which 

 the one which agreed the best with his very bald and indefinite 

 description was nearer inconspicua. 



^ Add to the synonymy "J. Asi. Soc. Beng. 1870, vol 39, pt. 

 2, p. 402, pi. 18, f. 8." 



' The inadequately defined pusilla of Gray (An. Pliil. 182.11 

 may be compared. 



f. 3. 

 , f. 1. 



3S^( 



I 



' Ann. Nat. H. 1850, p. 50. The type, said to have a whitish 

 rib near its mouth, a character perceptible in several species 

 which do not exhibit the other features required, could not be 

 descried in Benson's collection. Moradabad. 



* Strictly speaking, this genus should have been excluded 

 from our work ; our design was at first too comprehensive. 



« Add •• Chilka Lake." 



' Add "Stenothyra m. Bl. Cont. Mai. pt. 8, pi. 2, f. 1.5, from 

 T'Tt Llalhousie, Bassein, Pegu." 



