76 



LAMELLIBRANCHIATA. 



\anced, however, for the same reason as that given under the preceding species, that some mistake or 

 other has occurred, and that C. fascia turn does not Hve at all at Greenland. 



Iceland. 



From the west coast it is present from many localities, and in some cases in fairly large 

 numbers, so that we may say that it is common there; it seems also to be fairly common on the 

 south coast; it occurs in smaller numbers and at comparatively few localities on the north and east 

 coasts, which is also quite natural, as these coasts have a relatively cold marine climate')- The depths 

 at which the species has been taken lie between ca. lo — 120 fm. The maximum length is 15 "'"\ 



The various localities are as follows. 



East Iceland: 



Myre Bugt 26 f m. 2 valves. 



Seydisfjordr off Brimnes 40 - i valve. 



Bakkafjordr 32 — 25 - i spec. 



The largest specimen is 9.5""". long. 



North Iceland: 



Thistil Fjordr 50 fm., clay with many stones. i valve. 



Axafjordr 22 - , mud. i — 



Skjalfandi Bugt 31 - , very fine black sand. 2 spec. 



Husavik in E. 4 miles 42 - i — 



0fjord at Svalbardseyri 10—20 - 1 — 



Skagastrand Bugt 119 - , mud. i — 



Kollafjordr 10 - i — 



Veidileysa 21 — 25 - i — 



The largest of these specimens is 12 """'. long. 



West Iceland: 



Ouundarfjordr 10 fm. 7 spec. & 7 valves. 



— ca. 12 - ca. 100 spec. 



Dyrafjordr. 7 spec. & 5 valves. 



— inside Thingnses lo'/a — 12'/2 - , mud and small stones. 50 — & ca. 30ovalv. 



Fossfjordr. i spec. 



Talknafjordr. 6 — 



N. W. of Talkni. i spec. & 3 valves. 



Brede Bugt, off Hellissaudur 20 - i \alve. 



Krossvik 8 - , shell-gravel, blue clay, stones, i — 



It has to be remembered, however, that not so many collections have been made at the other coasts as on the 

 west coast. 



