OLIVA. CONUS. 135 



purplish zigzags, and some similar marking at the 

 upper border, f . • • f . W. 19. 40. 



O. NANA. Small, ovate, livid ash -colour, 

 with brown or purple flexuous lines -, spire rather 

 gibbous and prominent; columella with a callus. 

 i. W. 19. 44. 



O. ORYZA. Minute, ovate-conic, white, un- 

 spotted ; spire conoid. ^. W. 19. 46. 



C0NU8. 



Turbinated, or inversely conical^ convolute ; aper- 

 ture longitudinal, narrow; not toothed ; effuse 

 at the base, 



* Spire coronated. 



C. MA^MOREUS. Oblong-turbinate, the sur- 

 face covered with numerous sub-triangular large 

 white spots set in a dark ground ; spire crowned 

 with tubercles, obtuse ; whorls concavely chan- 

 nelled ; lip pinkish in the adult. 3 J. W. 14. 1 . 



C. ARANEOsus. Turbinate, whitish, reticu- 

 lated by fine brown web-like meshes, and usually 

 with two brown interrupted bands ; spire convex, 

 obtuse, mucronated, crowned with tubercles. 2|. 

 W. 14. 3. 



C. NEBULOSUS. Turbinate, coronated, thick, 

 at times granulated, yellowish chestnut, marbled 

 with white spots, and lineated with brown trans- 



