62 CONUS. 



C. ERYTHR^ENSIS, Beck. PL 1 9, figs. 86-89. 



Shell small, smooth, striate below; 3^ellowish white, with 

 revolving rows of quadrangular chestnut spots, sometimes 

 partly clouded over, so as to form bands of chestnut clouds ; 

 spire maculate. Length, -8-1-2 inches. 



Eed Sea. 



C. induratus, Reeve (fig. 86), a 3 7 oung shell, C. piperatus, Reeve 

 (fig. 87), C. quadrato-mac ulatus, Sowb. (fig. 88), and C. concinnus, 

 Sowb., Jr. (fig. 89), not Sowb., Sen. or Brod., == C. sapphirostoma, 

 Weinkauff,are all synonyms ; besides several unfigured and less 

 known species. 



C. PUNCTICULATUS, Hwass. PL 19, figs. 90-96. 



Shell rather broad-shouldered and somewhat swollen above, 

 slightly contracted and grooved towards the base ; whitish, 

 encircled by numerous lines of close, small chestnut spots, and 

 often clouded longitudinally with light violaceous or chestnut, 

 forming three obscure bands ; aperture white or violaceous. 



Length, 1-1-25 inches. 



West Columbia, northwards to Cerros 7x7., 



L. California, West Indies. 



A wider shell, with smaller, much more numerous spots than 

 C. Erytlirseensis. C. perplexas, Sowb. (fig. 91), C. piistulatus, 

 Kiener (fig. 92), and C. papiUosus, Kiener (fig. 93), are synonyms; 

 the latter two are pustulate on the revolving lines. 



The West Indian C. pygmaeus, Reeve, = C. pusio, Sowb. 

 (fig. 94), = C. Ihiuali, Bern (fig. 95), presents no distinctive 

 features. C. Hanleyi, Sowb. (fig. 96), said to inhabit the Medi- 

 terranean Sea (?), is very similar. 



C. COLUMBA, Hwass. PL 19, figs. 97, 98. 



Shell white, under a very thin light brown epidermis; shoulder 

 angulated ; body-whorl deeply distantly grooved towards the 

 base ; sometimes there are a few longitudinal brown mnrkings 

 above the grooves. Length, '75-' 9 inch. 



West Indies. 

 C. ANGAST, Tryon. PL 19, fig. 99. 



Shell rosy or yellowish white, ornamented witli rows of small 

 distant square or elongated irregular brownish yellow spots, those 

 in the centre larger and more varied in shape, forming a sort of 



