﻿R T E L L A. 



Plate III. 



Species 10. (Fig. n, h, r, Mns. Sowerby.) 

 RoTELLA ISFRAPI.ANATA. Uot. testd supcnie coiiicd, 

 alia, infra suhconcavd ; anfradibus snferni 

 planatis, varie pidis, infra angulum circa callum 

 venfralem griseo rarirr/afd ; callo parvo, snh- 

 i-oncavo; columelhi obliqwi, ad terminnm atigu- 

 latiim. 

 The flat-bottomed Rotella. Shell conical above, 

 high, almost concave ; whorls flattened above, 

 variously painted, variegated with gray ; callus 

 small, rather concave; columella oblique, angu- 

 lar at the end. 



SiiWEKBt. 



Hah. ? 



We have several varieties of this conical shell. The 

 upper part is like R. elegan-s, with greater elevation, 

 but the lower is much more flattered than that or 

 :iny other species. 



Species 11. (Mus. Brit.) 

 RoteLLA ZELAXPlCA. Riit. k\-:td aJtd, conicd, ruhescenti, 

 fusco-ruhesccuti radialim strigatd, ad anguliDii 

 spiraliter tri-liratd; anfractihus infra suturam 

 subconcavis, suhtiis eonvexiusculis ; callo ventrali 

 griseo-ruhesceiiti, purpurea circumscripto. 



The New Zealand. Shell high, conical, reddish, 

 radiately striped with reddish-brown, spirally 

 three-ridged at the angle ; whorls rather con- 

 cave below the suture, rather convex underneath ; 

 ventral callus reddish-grey, circumscribed with 

 purple. 



A. Adams. 



Hah. New Zealand. 



Species 12. (Mus. Brit.) 



RoTELLA vestiaeia. Ent. tcstd deprcssd, fasciis, 

 stri'jis, maculisquB varie pictd; anfradibus 

 sitperne subconcavis ; callo ventrali crasso, le.nti- 

 culari. 



The Wardroiie Rotella. Shell depressed, variously 

 painted with bands, stripes, and spots ; whorls 

 rather concave above ; ventral callus thick, 

 lenticular. 



Sowerby. Genera of Shells. 



Rotella liiieolata (var.) Lamarck. 



Rotella rosea, Chemnitz ? 



Hab. East Indies. 



The upper part of the whorls are a little convex, 

 while those of R. deijans are quite flattened. 



