MELANIA.— Plate VII. 



coiling of the whorls. The wrinkle-like plaits at the apex 

 are unusually strongly developed and distant, and they 

 cease rather abruptly. 



Species 3C. (Mus. Cuming.) 



Melakia Plutonis. Mel. testa, pi/ramidato-subulald, 

 nitente-atrd, anfractibus convexo-planatis, lotigitudi- 

 naliter crispato-strialis, slriis prope suturas subplica- 

 tis, suturis impressis ; aperturd ovatd, margine colu- 

 mellari calloso-incurvo. 



Pluto's Melania. Shell pyramidally subulate, shining- 

 black, whorls convexly flattened, longitudinally crisply 

 striated, striae a little plicated near the sutures, su- 

 tures impressed ; aperture ovate, columellar margin 

 callously incurved. 



Hinds, Moll. Voy. Sulphur, p. 55. pi. 15. f. 14. 



Sab. Peejee Islands (in the rivers) ; lliuds. 



A solid black shell, apparently smooth, but on exami- 

 nation with the lens it will be seen that the surface is 

 covered with crisp wrinkle-like stria?, which at the sutures 

 take the form of concentric folds. 



