CLATHURELLA. 291 



C. GLUMACEA, Hinds. PL It, fig. 13. 



Pale brown, shining, rather strongly shouldered ; ribs short, 

 rounded, running into the suture, transversely striated, aperture 



brown. Length, 6 mill. 



New Guinea, mud at 22 fras. (Hinds). 



C. DENTIFERA, Hillds. PI. 17, fig. 19. 



Whorls five, ribbed, crossed by revolving lines ; ribs numerous, 

 small, narrow, running into the suture; lip crenulated, dilated 

 and toothed at the lower part, columella furnished with a tooth 

 at the lower part : orange-brown. Length, 13 mill. 



N. Guinea ; Straits of Malacca, mud at 5-17 fms. (Hinds). 



C. MARTENSI, Nevill. PI. 19, fig. 47. 



Dark brown, the granules lilac-color ; columella twisted in the 

 middle, with a few minute denticulations at its edge, violet ; outer 

 lip bright brown, with a deep rounded sinus, and four strong 



lilac-colored teeth. Length, 5 mill. 



Ceylon, in sand. 

 C. BLANFORDI, Nevill. PL 19, fig. 48. 



Granulate, with an excavated furrow near the base of the bod} T - 

 whorl; lip thickened, with two or three granules, and a rather 

 large sinus ; lilac-colored throughout. Length, 5'75 mill. 



Annesley Bay, Abyssinia ; Polynesia. 



C. rosea, Dunker, from McKean Isl., Phoenix Group, appears 

 to be the same. 



C. POLYNESIENSIS, Reeve. PL 17, fig. 3. 



Whorls narrowly obtusely shouldered, longitudinally closely 

 ribbed, transversely striated ; lip thickened, sinus large ; white. 



Length, 6-8 mill. 



Paumotus Is. 

 C. REEVEANA, Deshayes. PL 19, figs. 56, 75. 



Surface almost microscopically decussated, the spiral sculpture 

 being generally the strongest; whitish, with light chestnut 

 revolving lines, irregularly distributed, approximating or distant. 

 Length, 7-9 mill. 



Isle of Bourbon, Mauritius, Andaman Is., 



Viti and Paumotus Is. 



C. tumida, Pease (fig. 75), and, according to A. Garrett, the 

 unfigured C. concinna, Dunker, are synonyms. 



