8 LAMELLIBRAXCHIATA. 



Faxafjordr, ca. 3 miles N. 59 W. from 



Grotta lighthouse . . 25 fm. 8 valves. 



, off Kollafjordr. . 8— 11V2 - , mud and stones. 5 spec, and 2 valves. 



, mouth of Kolla- 

 fjordr 9' 2 — 11 - , fine, black sand and mud. 12 valves. 



, off Kollafjordr .... 10 - 17 — 



— , Keflavik 15 — 16 - , fine, black sand. 8 — 



, ca. 2 miles N. E. of Kefla- 

 vik 197a — 20 r / 2 - IO — 



, i mile W. of Helgasker 



Vager 13—16 - 4 — 



, 1 mile W. of Helgasker 



Vager H'A - I — ( on Pecten islandicus). 



, E. of Videy .... 9 — 10 - , fine sand and mud. 5 — 



, 7 miles N. N. E. of Ska- 

 gens light . . . 17— 20V2 - i sand and shells. 1 — 



Reykjavik, on Laminaria driven on land. ca. 80 spec. 



, at low-water mark 1 spec. 



i 1 ! 2 fm., stony bottom. 9 — 



1 1 \ 2 - , gravel — 1 — 



2—3 - , on Laminaria hyperborea. 15 ■ — 



8 - 2 — 



(Engey) 7— 8 1 ' 2 - , mud. 1 spec, and 3 valves. 



Hafnarfjordr, on the beach 10 — 



4 fm., sand and mud. 1 valve. 



25 - , fine, black sand and mud. 10 — 



Skagi 21 - 13 — 



The largest specimen is 22 mm long. A number of specimens belong to the variety aculeata. 



South Iceland: 

 63 15'N. E., 22 23'YV.E. . . . 170— 1 14 fm. 



63 18 - , 2i>' ■ 94 - 



63 30' - , 20 14' - 42 - 



03 05' - , 20° 7' ■ 293 - 



Vestmannaeyjar, beach 



10 fm. 



15-20 - 



30 - , shell-gravel. 



49 - , clay with a little mud. 



Heimaey, beach 



62°57'N.L., i9°58'W.L 500 fm. 



