MELANIIDE. 265 
var. inquinata, 
Melania inquinata, Deshayes, Mag. Conch. pl. 13, 1880, Philippines. 
1 Pasanhan ; coll. R. Hungerford, Esq. 
Whorls more convex than in any of the other specimens. 
var. 
Conf. Reeve, fig. 2 ¢, “ M. asperata.” 
6 Luzon [?]; coll. Baron F. von Richthofen, 
2 Pasanhan; coll. R, Hungerford, Esq. 
Whorls less convex than in any others I have seen; the 
peripheral keel is more developed than the others. It may 
possibly be a form of M. dactylus. 
var. 
Something like Reeve’s fig. 2d., but on a much smaller scale. 
2 Pasanhan ; coll. R, Hungerford, Esq. 
var, 
Like M. Brot’s pl. 8, fig. 1£., but smaller. 
5 Pasanhan, &c. [Luzon]; coll. Baron F. von Richthofen, and R. Hunger- 
ford, Esq. 
51. Melania [Melanoides] lacustris. 
Melania lacustris, Morelet, Test. nov. I, 1849, Lake Yzabal [Guatemala]. 
1 “Lac d@’ Yzabal” [typical]; coll. A. Morelet, Esq. 
Agrees with M. Brot’s pl. 3, fig. 2c, and Hanley’s Conch. Misc., 
fig. 26. 
52. Molania [Melanoides] dactylus. 
Melania dactylus, Lea, P. Zool. S. 1850, Philippines. 
5 Philippines; coll. Prof. C. Semper. 
Sent as “MM. asperata, var. dactylus”; they are a rather 
smaller form, otherwise agreeing well with M. Brot’s pl. 9, fig, 2. 
2 Cebu; exc. R. Hungerford, Esq. [coll. Dr. Eastlake]. 
