KELLI A cyclad ea. 
TAB. DCXXXVIL— -fig, f>. 
Spec. Chau. Transverse, ovate-quadrangular, 
tumid, slightly oblique, very thin, smooth, the 
posterior side much the smaller ; one obscure 
tooth in each valve. 
Syn. Kellia cycladea, Wood, loc. 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 slightly 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 publication of Philippi’s second volume since I received 
