LAMELLIBRANCHIATA. 69 



from there. From recent year's collections, however, C. dcctissata proves to be common all ronnd 



Iceland at depths of 6 — 50 fm. The following are the various localities where it has been 

 found. 



East Iceland: 



L,6nsvik 40 fm., ooze and clay. i spec. & 3 valves. 



0ster Horn 40 - 4 valves. 



Berufjordr, Djupivogr 6 - 100 spec. & 16 valves. 



— — 6 — 9 - , mud with black sand. i — 



Breiddalsvik 14 - 6 



64°58'N.L., i3°25'W.L 40- 4 — & 25 valves. 



Vidfjordr 8—12 - 70 — & 70 — 



- 15 - 5 - 



Nordfjordr 40 - 2 valves 



Seydisfjordr at Skulavig 6- 7 spec. 



Bakkafjordr 12 — 15 - , black sand. 10 — «& 3 valves. 



— 32—25 - , clay and sand with shells. 5 - & 5 — 



— 52—43 ■ I — & 2 — 



Finnafjordr 18 - i valve. 



The maximum size is 4.75 """. 



North Iceland: 



Thorshofn 6 fm., mud. i valve. 



Vidarvik 11- 2 spec. & 3 valves. 



— 13V2 - , black sand. i valve. 



Axafjordr 3° ■ 1 sand and stones. 9 valves. 



Siglufjordr ^5 - 3 spec. & 3 valves. 



Skagastraud i spec. 



The largest of these specimens is 3.75 '""'. 



West Iceland: 



Isafjardardjup 60—63 ^'"- i spec. 



Dyrafjordr, inside Thingnaes 10 — 12V2 - , mud, small stones. 4 valves. 



Hvalfjordr 24 - 60 spec. & 140 valves. 



Krossvik 8 - , shell-gravel, blue clay, stones. 11 — & 4 — 



Faxafjordr 17 - , coarse shell-sand. i — «& 12 — 



— off Kollafjordr 8 — ii'/j - , ooze and stones. i — & 28 — 



— - — 10 - Several hundred spec. 



& valves. 



— mouth of Kollafjordr 9"/2 - 24 spec. & ca. 200 valv. 



