giraudidye-reymondia. 285 



Family GIRAUDIDjE. 



Genus GIRAUDIA, Bourg., 1885. 



G. PR^CLARA, G. Grandidieriana, Boui'g. (unfigured.) 



Lake Tanganyika. 



Genus REYMONDIA, Bourg., 1885. 



R. HoREi, Smith. PI. 70, fig. 64b. 



Smooth, chestnut colored, with a white line beneath the suture; 

 whorls 62, scarcely convex, suture simple, last whorl rising some- 

 what upon the preceding near the aperture, then suddenly descend- 

 ing, furnished with a slight basal thickening ; lip a little thickened, 

 especially towards the suture, somewhat patulous near the base- 

 Length, 14 mill. 



Lake Tanganyika. 

 Described as a doubtful Melanian. From the figure, it appears 

 to me to be not very distantly related to Melanopsis. 



R, GiRAUDi, Bourg. (unfigured.) Lake Tanganyika. 



