80 KELLIADJE. 



(Montagu) ; Exmouth (Clark) ; Penzance in twenty fa- 

 thoms (M' Andrew and E. F.) ; Scarborough (Bean). 

 " Taken abundantly by Mr. R. Howse on the spines of Spa- 

 tangus puqwreus from sixty fathoms water, fifty miles off 

 the coast of Durham." (Alder.) To the west of Manor- 

 beer, in Pembrokeshire (Lyons) ; Tenby (Jeffreys) ; Isle 

 of Man in twenty-five fathoms (E. F.) ; from fifty to one 

 hundred and forty fathoms off the Mull of Galloway 

 (Beeehey) ; Loch Alsh (Barlee) ; Copenhaw-head, off 

 Skye, in forty fathoms ; Balta Sound or Unst, in from five 

 to ten fathoms and in ninety fathoms, thirty miles from 

 land off Zetland (M'Andrew) ; Lerwick (Jeffreys) ; Aber- 

 deenshire (Macgillivray). Entrance of Belfast Bay, in 

 twenty-five fathoms (Thompson) ; Arran, west of Ireland 

 (Barlee) ; Bantry Bay (Jeffreys). Loven records this 

 shell as ranging to Finmark on the Scandinavian seas ; it is 

 not known south of Britain. 



TURTONIA. Hanley. 



Shell minute, fragile, equivalve, very inequilateral, 

 closed at both ends, transversely oblong ; surface concentri- 

 cally striated or nearly smooth. Ligament external ; hinge 

 with two adjacent teeth in front, the anterior one laminar. 

 Pallial sinus simple. 



Animal with the mantle widely open anteriorly, a single 

 very slender siphonal tube at the shorter end, and an 

 ample and strong foot angulated at its posterior base pro- 

 ceeding from the longer. 



The features of the curious and very minute bivalve for 

 which this genus has been founded are so peculiar, that its 

 claim to become the type of a separate group cannot be 

 called in question. Resembling a Montacuta in external 



