PALUDINHXE. 31 



28. Paludina praerosa. 



Paludina prserosa, G-erstfeldt, Mem. Ac. Imp. St. Petersb 1859 : long. 23 to 

 35, diam. 19 to 26 m. Mouth of the Ussuri. 



1 River Amoor, Siberia ; ex Mr. Damon. 



29. Paludina auriculata. 



Paludina (Melantho) auriculata, von Martens, Sitz. Ges. naturf. Freunde, 

 Berlin, Jan. 1875; Rv. Siang Kiang,Prov. Hunan : long. 26, diam. 16 mil. 

 (with two var.) ; ? sect Melcongia. 



2 China ; ex c. Prof. E. von Martens. 



2 River Siang K iang; ex c. Dr. H. Dohrn (coll. von Richthofen). 



30. Paludina jullieni. 



Paludina Jullieni, Deshayes, Nouv. Arch. Mus. X, 1878, Cambodia ; sect. 

 Melcongia. 



1 Cochin-China ; ex c. A. Morelet, Esq. 



31. Paludina hungerfordiana. 



Paludina hungerfordiana, G. Nevill, J. A. S. . 1881, Canton : long. 33, 

 diam. 26 mil. ; sect. Mekongia. 



3 Canton [type] ; coll. R. Hungerf ord, Esq. 



32. Paludina martensiana. 



Paludina martensiana, &. Nevill, J. A. S. S. 1881, Amoy. 



2 Amoy [type] ; coll. R. Hungerford, Esq. 



33. Paludina hellenica. 



Vivipara Hellenica, Clessin, Malalc. Slat. 1879. 



1 Missolonghi j ex c. P. Joly, Esq. 



Sub-Genus LIOPLAX, Troschel. 

 Gebiss der ScJinecken, Lief. 2, 1857, type P. sulcarinata, Say. 



34. Paludina (Lioplax) subcarinata. 

 Limnaea subcarinata, Say, Nicholson's Enc. 1, 1817, Delaware Ro. 



13 Indiana; ex c. Prof. E. C. Stearns, &c. 



