MELANIIDE. 297 
Long. 18, diam. 134 mil.; strongly decollate, two whorls. only 
remaining. 
M. Brot’s pl. 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 africanus, von Martens, Monats. Berlin, 1878, p. 297, Finboni, 
coast of Zanzibar. 
2 Somali Land [typical] ; exc. Dr. H. Dohrn. 
Prof. von Martens has also described a Paludomus exarata, 
l.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.8., 1850, Zanzi- 
bar= Mel. zanquebarica, Petit, J. de C., 1852. 
25. Paludomus stephanus. 
Melania stephanus, Benson, J. A. S. B., 1836, N. H. Bengal ; Con. Indica, 
pl. 122, fig. 10;=Melania coronata [v. d. Busch], 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. 284, diam. 22 mil, 
26. Paludomus travancorica. 
Paludomus travancorica, Beddome ms., Blanford, Journ, Asiat. Soc. Bengal, 
1881, Travancore. 
4, Travancore [typical] ; coll. Colonel R. H. Beddome. 
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. 
