;38 PALUDINID^. 



10. Bythinia, n. sp. [?J 



3 Goalundo ; coll. Dr. Wise. 



11. Bytlainia, n. sp. 



8 Damotha, Moulmain j coll. Dr. F. Stoliczka. 



12. Bythinia nassa. 



Bythinia nassa, TheohaJd,J. A. S. Bengal, 1865, Shan States, and op. c. 1870, 

 pi. 18, fig. 8 ; Con, Indica, pi. 37, figs. 8-9. 



7 Shan States (typical) ; ex c. W. T. Blanford & W. Theobald, Esqrs. 



13. Bythinia laevis. 



Bithinia laevis, Morelet, Ser. Conch IV, 1875, Siam and Cochin- China : 

 long. 10, d. 5 mil. 



5 Cambodia ; ex c. A. Morelet, Esq. 

 12 Damotha, Moulmain ; coll. Dr. F. Stoliczka and Baron F. von Rich- 

 thofen. 



14. Bythinia goniomphalus. 



Bithinia goniomphalos, Morelet, Sev. Zool. 1866, " Tag—Niah," Cochin 

 China— long. 14, d. 7^ wj^. ; = -B. iravadica, Blf., Proc. Zool. Soo. 

 1869, Mandalay, long. 11, diam. 6\ mil ; ? = Pal. tmncata, Eyd. Sf 

 Soul., 1S52, " Ganges" I from Siam fide Mts., P. Z, S. I860]. 



2 Cochin-China (typical) ; ex c. A. Morelet, Esq. 



2 Siam ; ex c. A. Morelet, Esq. ( as " £. siamensis. Lea "). 



These latter do not agree at all with Lea's figure of B. siamen- 

 sis ; they appear to be a rather small form of the preceding. I 

 fancy this is now Mons. Morelet's own opinion, judging from 

 his remarks on this species in Ser. Conch. IV. 



30 Mandalay (type of B. iravadica), Ava and Kabyuet ; coll. Dr. J. 

 Anderson. 



4 Thyet-Myo ; coll. R. Hungerford, Esq. 



15. Bythinia moreletiana. 



Bithynia moreletiana, NeviU, J. A. S. B., 1877, Yaylaymaw; op. c. 1881, 

 pi. r I, fig. 14. 



20 Yaylaymaw, in Upper Burma (type) ; coll. Dr. J. Anderson. 



16. Bythinia, n. sp. (?). 



1 Kiirnul; ex c. Dr. F. Stoliczka. 



