182 SUPPLEMENT. 



P. 286. C. EDULE. P. Scandinavia, N.W. Germany, and 

 Italy. E. Caspian (Dunker) ! 



P. 292.— C. MINIMUM. 



Body whitish, and of a gelatinous consistence : mantle pro- 

 truding considerably beyond the valves ; edges minutely ser- 

 rated or fringed with fine thorn -like points : tubes very short, 

 clothed with slender and pointed cirri of various sizes and 

 lengths, which are irregularly disposed outside ; some of these 

 cirri are tinged mth orange at their tips : foot proportionally 

 large, tongue -shaped, rather narrow, flexible, sometimes ex- 

 tended to a great length, and vermicular. 



N. of Hebr., 170 and 189 f. (C. and T.). F. Norway and 

 Italy ! E. Loffoden I., 300 f. (Sars) ; Brittany (CaiUiaud and 

 Tasle); Naples (Acton and Stefanis) ! ; Adriatic (Brusina) ! I 

 have examined Philippi's type in the Berlin Museum. 



P. 294. — C. NoKVEGicuM. F. Scandinavia and Italy. The 

 foot is endued with great strength and activity. It was sud- 

 denly thrust out of a fine specimen which I held in my hand 

 to examine, and by dint of successive vigorous jerks the animal 

 succeeded in getting back to the basin of water from which I 

 had removed it. Yar. roturula. Shetland ; rare. This species 

 is C. Icevigatum, Poli. 



P. 298. ISOCAKDIA COE. 



Body brownish-yellow : mantle closed in front, with broad 

 and plain edges : tuhes, the larger or incurrent one forming 

 an oblong slit, and fringed with numerous short cii'ri or 

 tentacles. 



Shetland, 40-80 f. (J. G. J.); lona (Duke of Argyle); St. 

 Andrews (M'Intosh). F. Antwerp Crag, Scandinavia, N.W. 

 Germany, and Italy. E. Atlantic coasts of France and Spain, 

 and the Adriatic. The fry is not unlike a very young Venus 

 lincta in shape ; it is the KellieUa dbysskola of Sars, from 450 f. 

 in the Loffoden Isles. 



P. 304. — Cypeina Islandica. F. Baring I., N. America 

 (M'Clure); Scandinavia, Belgium, Germany, and Italy. E. 

 Holland (Herklots) ; Brittany, dredged alive (Tasle) ; Ar- 

 cachon, several valves (Lafont) ! A specimen found by Mr. 

 Walpole on the Wexford coast measures 5^ inches in length 

 and breadth. 





