62 CONUS. 
C. Erytur#ensis, 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’. induratus, Reeve (fig. 86), a young shell, C. piperatus, Reeve 
(fig. 37), C. quadrato-maculatus, Sowb. (fig. 88), and C. concinnus, 
Sowb., Jr. (fig. 89), not Sowb., Sen. or Brod., = C. sapphirostoma, 
Weinkauif, are all synonyms; besides several unfigured and less 
known species. 
C. pUNCTICULATUS, Hwass. PI. 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 Isl., 
L. California, West Indies. 
A wider shell, with smaller, much more numerous spots than 
C. Erythreensis. C. perplexus, Sowb. (fig. 91), C. pustulatus, 
Kiener (fig. 92), and C. ¢apillosus, Kiener (fig. 93), are synonyms; 
the latter two are pustulate on the revolving lines. 
The West Indian C. pygmzxus, Reeve, — C. pusio, Sowb. 
(fig. 94), — C. Duvalt, Bern (fig. 95), presents no distinctive 
features. C. Hanleyi, Sowb. (fig. 96), said to inhabit the Medi- 
terranean Sea (?), is very similar. 
C. conumBA, Hwass. PI. 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 markings 
above the grooves. Length, °75—9 inch. 
West Indies. 
C. Aneast, Tryon. Pl. 19, fig. 99. 
Shell rosy or yellowish white, ornamented with 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 
