CONUS. 23 



C. TJENIATUS, Hwass. PL 6, fig. 93. 



Shell indistinctly zoned alternately with pale violaceous and 

 white, vividly encircled with fillets of dark chocolate and white 

 articulations ; spire obsoletely coronated. 



Length, 1-1-25 inches. 



Red Sea, Ceylon, China. 



Yery close to C. genuanus in general appearance, but the 

 articulations tire more regular in size and position, the spire is 

 slightly tuberculate. 



C. CEYLONENSIS, Hwass. PL 6, figs. 94-100. 



Shell coronated, with rather depressed spire, granular striate 

 towards the base ; white, variously marbled with chestnut, often 

 obscurely white-banded at the upper part and below the middle 

 of the body-whorl, base tinged with violet. 

 Length, -t5--9 inch. 



Red Sea, Ceylon, West Africa, Mauritius, Australia, 



New Caledonia, Polynesia to Sandwich Is., 



Mazatlan, Cape St. Lucas. 

 C. mix, Brod. (fig. 95), and C. pusillus, Gould, are synonyms. 



Yar. ACUTUS, Sowb. PL 6, fig. 96. 



Spire more elevated, shell smaller. 



Ceylon. 

 Yar. PUSILLUS (Chemn.), Auct. PL 6, fig. 97. 



Shell white with revolving rows of chestnut spots. Yaries 

 from Ceylonensis in 'the same way that var. abbreviates does 

 from miliaris. 



Yar. TENUISULCATUS, Sowb. PL 6, fig. 98. 



Lower half of the body-whorl finely sulcate ; white marbled 

 with light chestnut, with two darker bands, which are flecked 

 with white ; base and aperture violaceous. 



Mauritius. 

 Yar. SPONSALIS, Chemn. PL 6, fig. 99. 



Body-whorl somewhat convex on the sides, wide at the shoul- 

 der, which is somewhat rounded ; yellowish white, with a few 

 chestnut or red zigzag longitudinal markings, forming an inter- 

 rupted broad superior, and often a narrower inferior band ; base 

 violaceous. 



Philippines, New Caledonia, Polynesia. 



