38 PALUDINIDJE. 



10. Bythinia, n. sp. [?j 

 3 Goalundo ; coll. Dr. Wise. 



11. Bythinia, n. sp. 



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



12. Bythinia nassa. 



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

 pi. 18, Jig. 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, Rev. Zool. 1866, " YayNiah," Cochin 

 China long. 14, d. 7% mil. ; = JS. iravadica, JBlf., Proc. Zool. Soo. 

 1869, Mandalay, long. 11, diam. 6k mil, ; ? = Pal. truncata, Eyd. Sf 

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



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



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



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

 sis ; they appear to he 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. IY. 



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



Anderson. 

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



15. Bythinia moreletiana. 



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

 pi. VI, fig. 14. 



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



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



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



