64 CONUS. 
Var. 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 synonymous. 
C. ACHATINUS (Chemn.), Auct. PI. 20, figs. 11, 12. 
Shell bulbous, with somewhat elevated, striate spire; body- 
whorl with rounded, sometimes granular strix below; marbled 
with pinkish or purplish white and olivaceous-brown, under a 
light brown, thin epidermis, everywhere encircled by close-set 
narrow brown lines, which are usually broken up into brown and 
white articulations. Length, 2-3 inclres. 
India, China, Australia, Solomon’s Islands. 
C. SUPERSTRIATUS, Sowb. PI. 20, fig. 13. 
Shell oblong, fuscous, obscurely nebulous, suleate 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. monacuus, Linn. Pl. 20, fig. 14. 
Shell a little inflated, distantly grooved below; spire striate, 
somewhat convex; white, 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. asstmilis, A. Ad., a synonym of this 
species. I have referred it to C. magus. 
C. PURPURASCENS, Brod. PI. 20, figs. 15-17; Pl. 27, fig. 9. 
Shell broad-shouldered, with rude, striate spire; striate below, 
and the striee 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. neglectus, A. Ad. (fig. 16), the juvenile of 
