MELANIID. 299 
subvar. minor. 
Conf. Brot, pl. 5, fig. 18, Ceylon. 
6 Ceylon ; ex c. Dr. F. Stoliczka. 
var. contracta, nov. 
Brot, Conch.-Cab. II, pl. 5, figs. 19-20, as “ P. sulcatus, var.” from 
Peradenia. 
6 Ambegammoa, Ceylon; coll. H. F. Planford, Esq. 
var. compacta. 
“ Philopotamis compacta, ». sp.”’, H. Nevill, in litt. as “ almost extinet.” 
1 Ceylon ; coll. H. Nevill, Esq. 
Remarkable for its small aperture. Long. 164, diam. 113. 
mil. 
32. Paludomus [Philopotamis] regalis. 
Paludomus regalis, Layard, Ann. and Mag. 1855, Ceylon. 
10 Ceylon ; coll. H. F. Blanford and H. Nevill, Esqrs. 
33. Paludomus [Philopotamis] nigricans. 
Paludomus nigricans, Reeve, Icon. 1847, Ceylon, at 6,000 ft.—* anfr. levibus 
subangulatis.” 
14 Newera Ellia, Ceylon ; coll. H. Nevill and F. Layard, Esqrs. 
My brother sent to Dr. Stoliczka this, the typical form, as 
*« Phil. misconceptus,” nov., evidently considering it distinct from 
the following, in which view he may prove to be correct. 
var. subgranulosa, nov. [? dist. sp.]. 
Brot, Conch.-Cab. II, 1880, pl. 6, fig. 6, Newera Ellia, as “var. B.* 
12 Ceylon; coll. H. F. Blanford, Esq. 
34. Paludomus [Philopotamis] ventricosula. 
Paludomus ventricosula, H. Nevill, Esq., Ms., Brot, Conch.-Cab. II, 1880, 
pl. 5, fig. 3, as Philopotamis violacea, Layard. * 
Both shell and operculum admirably figured as above by 
M. Brot; it is, as there stated, a true Philopotamis, whereas 
