50 



CONCHOLOGIA INDICA. 



2. P. sulcata, Eeeve, Concli. Icon. Palud. f. 8. 



In a mountain stream at Ratnapoora, Ceylon. 



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

 p. 124. 



Ceylon. 



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



Ceylon. 



5. P. Tennentii, Eeeve, 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. plcta, Reeve, Conch. Icon. Palud. f 10. 



lu 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 Melania). — Reeve, Conch. Icon. 

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

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



B eng a l , )<kM^ IHUA • 



PLATE CXXIII. 

 PALUDOMUS. 



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

 123. 



Ceylon. 

 This species resembles the P. phasianina of the Sey- 

 chelles. 



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



Ceylon. 



3. P. deeussata, 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. 6 (as Melania). — Reeve, Conch. Icon. Palud. 

 f. 4. 



Ambegamoa, Ceylon, 



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

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



Ganges. 



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



Near Pondicherry. 

 This and the preceding may prove mere forms of the 

 next species. 



8. P. Tanschauj-ica, Gmelin, Syst. Nat. 3655, for 

 the Helix fluviatilis Tanschaurensis of Chemn. 

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

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



Southern India (Coromandel, &c.). 



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

 p. 127. 



Sikkiui bmuLli uf the CjlliL ( jf 

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

 129. 



Mountain streams of Ceylon. 



PLATE CXXIV. 

 PALUDOMUS. 



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



In mountain streams at Ceylon. 



2, 3. P. Maurus, Eeeve, Proc. Zool. Soc. 1852, 

 p. 127. 



Ganges. 



4. P. coniea, 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 Phil. N. Conch, vok 1, Mel. 

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



Sylhet, Bhootan, Assam, &c. 



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

 Tanalia), p. 92. 



The Calloo ganga, Ratnapoora, Ceylon. 



6. 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 Museum. 



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



Ceylon. 

 Figured from the unique type described. 



9. P. torrenticola, Dohrn, Proc. Zool. Soc. 1858 . 



Ceylon. 

 Figured from the type in the British Museum. 

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

 — Hanley, Conch. Misc. Melan. f. 63. 

 Branch of the Ganges. 



