63 



KELLIA cycladea. 

 TAB. DCXXXVII— ^o. G. 



Spec. Char. Transverse, ovato-qiiadrangular, 

 tumid, slightly oblique, very thin, smooth, the 

 posterior side much the smaller ; one obscure 

 tooth in each valve. 



SvN. Kellia cycladea, JVood, he. cit. v. vi.247. 



Unfortunately only two or three single valves of this 

 extremely fragile shell have come under our notice, and 

 they are not quite perfect. It much resembles a fresh- 

 water Cyclas in general aspect and texture. The square- 

 ness of its form with a slijihtlv concave basal margin di- 

 stinguish it at first sight from every other Kellia. Occurs 

 rarely in the coralline Crag at Sutton. 



The shells on this plate are all in the cabinet of S. V. 

 Wood, Esq., who has kindly supplied me with copious 

 notes, of which I have gladly availed myself in the above 

 descriptions, adding a few observations in consequence of 

 the pubhcation of Philippi's second volume since I received 



