64 CONUS. 



Viir. NIGROPUNCTATUS, Sowb. PI. 20, figs. 8, 9. 



Shell colored as above and encircled by series of chocolate- 

 colored dots. C. Adansoni, Reeve (fig. 9), is S3 T nonymous. 



C. ACHATINUS (Chemn.), Auct. PL 20, figs. 11, 12. 



Shell bulbous, with somewhat elevated, striate spire; body- 

 whorl with rounded, sometimes granular striae below ; marbled 

 with pinkish or purplish white and olivaceous-brown, under a 

 light brown, thin epidermis, everywhere encircled by close-set 

 narroAv brown lines, which are usually broken up into brown and 

 white articulations. Length, 2-3 inches. 



India, China, Australia, Solomon's Islands. 



C. SUPERSTRTATUS, Sowb. PL 20, fig. 13. 



Shell oblong, fuscous, obscurely nebulous, snlcate above and 

 below, smooth in the middle, with a median white band, macu- 

 lated with fuscous; spire depressed, striated, maculated. 



Length, 1 inch. 



Habitat unknown. 



An obscure species, only known through Sowerby's figure and 

 short description. 



C. MONACHUS, Linn. PL 20, fig. 14. 



Shell a little inflated, distantly grooved below ; spire striate, 

 somewhat convex ; w r hite, longitudinally marbled and flecked 

 with dull blue or purple. Length, 2 inches. 



Philippines, New Caledonia. 



Narrower at the shoulder, thinner, usually without the dotted 

 revolving lines of C. achatinus, although a few such lines are 

 sometimes vaguely apparent. 



Weinkauff considers C. asximilis, A. Ad., a S3 T nonym of this 

 species. I have referred it to C. magus. 



C. PURPURASCENS, Brod. PL 20, figs. 15-17 ; PL 27, fig. 9. 



Shell broad-shouldered, with rude, striate spire ; striate below, 

 and the string sometimes slightly granular ; clouded with white or 

 violaceous and brown or olive, with close lines of chestnut and 

 white minute articulations ; sometimes irregularly white-banded 

 in the middle. Length, 2--3 inches. 



Panama to Mazatlan. 



Weinkauff makes C. neglect us, A. Ad. (fig. 10), the juvenile of 



