PO1 \MM 



C EtoaoiDEA, Bowb, I'l. 88, ti- 7:1. 



\Vitli curved, longitudinal, oblique rib-, \\hidi are noduliferoii- 

 beneath; whorls convex, base .-pirally ribbed ; brown, the rib- 

 whiti>h; Length, 1! mill. 



\tifnf, No. Afrit-it. 



c. M..,;, n,, A. A.I. IM. 88, fig. r,s. 



Kather thin. u'laueoiis. more or les< spirally lined with red ; I..u- 

 jritiulinally rather faintly riblx-d, closely spirally ridircd ; aj)-\ 

 (K-collatnl. Length, 1 in. 



Pkilippi 



('. Tt-KiMii:i.i.A. (^uoy. PI. 34, figs. 93, ( .>4. 



Chestnut colored or lighter, often with a white band, granulated 

 in three or four spiral rows by decussating sculpture, lower part of 

 body whorl with revolving riblets only. Length, 1 in. 



Almost exactly like C. cornea, Blainv., of the Mediterranean Sea, 

 as to form and sculpture ; tbe base is longer and more rounded, and 

 it has not the iufrasutural white band of that species. 



C, BICARINATA, Gray. PL 35, figs. 15, 16. 



Obscurely, distantly, longitudinally, narrowly plicate, spirally 

 striate, base defined by a double ridge; chocolate color, white at 

 the suture, interior brownish. Length, 1 in. 



\, M Zt'il/UHll. 



C. liitiitriitinn, Kiener, is a synonym. 



Var. SUBCARINATA, Sowb. Fig. 16. 



Base with three ridges. 



C. Australia, Gray (not Lam.), and C. /''/''"' Hombr. et .Ju<-|., 

 are considered synonyms by Hutton. 



< . 9CALABIFORMI8, Say. PL 33, figs. 78, 75,76. 



Whorls slopingly convex, the well impressed suture usually 

 defined by a narrow thread, with numerous, close longitudinal 



rihlcts, and les> distinct spiral sculpture, base of body whorl with 

 spiral riblets only; whitish, glaucous; liirht fawn color to chocolate, 

 the lighter colored specimens often with chocolate, the darker ones 

 with whitish lines; aperture like the exterior. Length. 1 in. 



FToricfa, 



C. ft-miix, I't'r. (fi.i:. 7l>), is very probably a youu^r > 1 U> 11 of this 

 speei< 



