62 CONUS. 



C. ERYTHR^EENSIS, Beck. PL 19, figs. 86-89. 



Shell small, smooth, striate below; yellowish 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. 



Red Sea. 



C. indaratus, Reeve (fig. 86), a young shell, C. piperatus, Reeve 

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

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

 Weinkaulf, are all S3'nonyms ; besides several unfigured and less 

 known species. 



C. PUNCTICULATUS, Hwass. PI. 19, figs. 90-9U. 



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 7x?., 



L. California, West Indies. 



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

 C. Erythraeensis. C. perplex as, Sowb. (fig. 91), C. pustulatus, 

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

 the latter two are pustulate on the revolving lines. 



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

 (fig. 94), == C. Ihicali, 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. PI. 19, figs. 97, 98. 



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

 anguhited ; body-whorl deeply distantly grooved towards the 

 l>asr; sometimes there are a few longitudinal brown mark 

 above the grooves. Length, -75- %< .) inch. 



C. ANGAST, Try on. PI. 19, tig. 9l. 



Shell rosy or yellowish white, ornamented with rows of small 

 distant square or elongated irregular brownish yellow spot s. t hose 

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



