IvAMRLLIBRANCHIATA. 





from there. From recent year's collections, however, C.dccussata proves t" Ik- common all round 

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

 found. 



1'', as t I celan d : 



L,6nsvik |" fm., ooze and clay. 1 spec & 3 valves. 



( )ster Horn 4" - 1 valves. 



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



— 6 — 9 - , mud with black sand. 1 



Breiddalsvik 14 - 6 



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



Vidfjordr 8—12 - 70 & ;o 



l S - 5 



Nordfjordr 40 - 2 valves 



Seydisfjordr at Skulavig 6 - 7 spec. 



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



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



— 52—43 - r & 2 



Finnafjordr 18 - 1 valve. 



The maximum size is 4.75 """. 



North Iceland: 



Thorshofn 6 fm., mud. 1 valve. 



Vidarvik n- 2 spec. & 3 valves. 



— 137'., - , black sand. 1 valve. 



Axatjordr 30 - , sand and stones. 9 valves. 



Siglufjordr 15 - 3 spec. & 3 valves. 



Skagastrand 1 spec. 



The largest of these specimens is 3.75 """. 



West Iceland: 



Isafjardardjup 60—63 Im - ' s P ec - 



Dyrafjordr, inside Thingiues 10 — 12V2 - , mud, small stor.es. 4 valves. 



Hvalfjordr 24 - 60 spec. & 1 



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



Faxafjordr 17 - , coarse shell-sand. 1 cc 1 2 



off Kollafjordr 8— n 1 , 2 - , ooze and stones. 1 & 28 



. 10 - Several hundred spec. 



.S: valves. 



— mouth of Kollafjordr m 1 pec. & ca. 200 valv. 



