297 



Long. 18, diam. 13 J mil. ; strongly decollate, two whorls only 

 remaining. 



M. Brot's pi. 7, figs. 7-8 in the Conch.-Cab. P. isseli, from 

 Borneo, gives an exact representation of this new and rare 

 Ceylon form ; the well-developed, crowded, almost granulose 

 spiral striation will at once distinguish it. 



24. Paludomus africana. 



Paludomus af ricanus, von Martens, Monats. Berlin, 1878, p. 297, Finboni, 

 coast of Zanzibar. 



2 Somali Land [typical] ; ex c. Dr. H. Dohrn. 



Prof, von Martens has also described a Paludomus exarata, 

 1. c., from the same highly interesting locality. Mr. Smith 

 in P. Z. S., 1881, p. 294, seems to consider the form as not 

 separable from Melania ferruginea, Lea, P. Z. S., 1850, Zanzi- 

 bar=JfeZ. zanquebarica, Petit, J. de C., 1852. 



25. Paludomus stephanus. 



Melania stephanus, Benson, J. A. 8. B., 1836, N. IS. Bengal ; Con. Indica, 

 pi. 122, fig. 10;= Melania coronata [v. d. BuscJi], Phil. Abb. 1842, 

 Bengal. 



11 Sylhet [types] ; ex c. As. Soc. Bengal. 



20 Khasi Hills ; coll. Colonel H. H. Godwin- Austen. 



Grows to a large size long. 28|, diain. 22 mil. 



26. Paludomus travancorica. 



Paludomus travancorica, Beddome ms., Stanford, Journ. Asiat. Soc. Bengal, 

 1881, Travancore. 



4 Travancore [typical] ; coll. Colonel R. H. Beddorne. 



27. Paludomus microsculpta, n. sp. 



2 Ceylon ; coll. H. Nevill, Esq. [sent as " P. striata, nov., very rare "]. 



Sub-Genus PHILOPOTAMIS, Layard. 

 Ann. Mag. 1855, type Pal. sulcata, Reeve. 



Mr. Layard states, 1. c., that the section inhabits mountain 

 torrents, and describes the operculum as possessing a terminal 

 nucleus. 



