50 



CONCHOLOGIA INDICA. 



2. P, sulcata, Reeve, Conch. Icon. Palud. f. 8. 



In a mountain stream at Ratnapoora, Ceylon. 



3. P. distinguenda, Dohrn, Proc. Zool. Soc. 1857, 

 p. 124. 



Ceylon. 



4. P. solida, Dohrn, Proc. Zool. Soc. 1857, p. 124. 



Ceylon. 



5. P. Tennentii, Reeve, Conch. Icon. Palud. f. 12, 



In a rocky stream flowing from Adam's Peak, 

 Ceylon. 



6. P. Gardner!, Reeve, Conch. Icon. Palud. f. 9. 



In a stream at the foot of Adam's Peak, 

 Ceylon. 



7. P. pieta, Reeve, Conch. Icon. Palud. f. 10. 



In a mountain stream at Ratnapoora, Ceylon. 



8. P. Neritoides, Reeve, Conch. Icon. Palud. f. 3. 



In the bed of a river at Ambegamoa, Ceylon. 



9. P. dromedarius, Dohrn, Proc. Zool. Soc. 1857, 

 p. 124. 



Ceylon. 



10. P. stephanus, Benson, J. Asi. Soc. Beng. 1836, 

 vol. 5, p. 747 (as Jlelania). — Reeve, Conch. Icon. 

 Palud. f. 11. — Mel. coronata. Von den Busch, in 

 Philip. N. Conch, vol. 1, Mel. pi. 1, f 5, 6. 

 Bengal. 



PLATE CXXIII. 

 PALUDOMUS. 



1. P. fulgurata, Dohrn, Proc. Zool. Soc. 1857, p. 

 123. 



Ceylon. 



This species resembles the P. phasianiua of the Sey- 

 chelles. 



2. P. Chilinoides, Reeve, Conch. Icon. Palud. f 7. 



Ceylon. 



3. P. decussata. Reeve, Proc. Zool. Soc. 1852, p. 

 127. 



Ceylon. 



4. P. clavata, Reeve, Proc. Zool. Soc. 1852, p. 129. 



Mountiiin streams of Ceylon. 



5. P. globulosa, Gray, Grif. ed. Cuvier, Mol. pi. 

 14, f. G (as Melania). — Reeve, Conch. Icon. Palud. 

 f. 4. 



Ambegamoa, Ceylon. 



6. P. lutosa, Souleyet, Voy. Bonitc, Zool. p. 350. 

 pi. 31, f. 28, 29, 30. i 



Ganges. 



7. P. acuta. Reeve, Proc. ZooL Soc. 1852, p. 127. 



Kear Pondicherry. 

 This and the preceding may prove mere forms of the 

 next species. 



8. P. Tanschauriea, Gmelin, Syst. Xat. 3655, for 

 the Hehs fluviatilis Tanschaurensis of Chemn. 

 Conch. Cab. vol. 9, p. 174, f. 1243.— Hehx 

 fluviatilis, Dillwyn, Des. Cat. Shells, p. 959. 



Southern India (Coromandel, &c.). ' 



9. P. Paludinoides, Reeve, Proc. Zool. Soc. 1852, 

 p. 127. 



Sikkim branch of the Sylhet. 

 10. P. bicincta, Reeve, Proc. Zool. Soc. 1852, p. 

 129. 



Mountain streams of Ceylon. 



PLATE CXXIY. 

 PALUDOMUS. 



1. P. nigricans. Reeve, Conch. Icon. Palud. f. 6. 



In moimtain streams at Ceylon. 



2, 3. P. MauTUS, Reeve, Proc. Zool. Soc. 1852, 

 p. 127. 



Ganges. 



4. P. conica, Gray, Grif. ed. Cuvier, Mol. pi. 14. f. 

 5 (as Melania). — Reeve, Conch. Icon. Palud. 

 f. 14. — Benson, J. Asi. Soc. Beng. vol. 5, p. 747. — 

 Mel. crassa, Busch, in PhU. N. Conch, vol 1, Mel. 

 pi. 1, f. 10, 11.— P. rudis, Reeve, Proc. Zool. 1852. 



Sylhet, Bhootan, Assam, ire. 



5. P. Keevei, Layard, Proc. Zool. Soc. 1854 (as 

 Tanalia), p. 92. 



The Calloo ganga, Ratnapoora, Ceylon. 

 G. P. Swainsoni, Dohrn, Proc. Zool. Soc. 1857, p. 

 125. 



Ceylon. 



7. P. nasuta, Dohrn. Proc. Zool. Soc. 1857. p. 123. 



Ceylon. 



Figured from the sole type in the British Ikluseum. 



8. P. sphisrica, Dohrn, Proc. Zool. Soc 1857, p. 124. 



Ceylon. 



Figured from the unique type described. 



9. P. torrenticola, Dohrn, Proc. Zool. Soc. 1S5S. 



Coylon. 



Figured from the type in the British Museum. 

 10. P. baccula, Reeve. Proc. Zool. Soc. 1852, p. 128. 

 — Hanloy. Conch. Misc. Melan. f. 63. 

 Branch of the Ganges. 



