16 ARKIV FÖR ZOOLOGI. BAND 7. NIO 4. 



Pliiliiie quadrata^ (Wood). 

 Thistilfjord, 10 — 16 fms, sand witli clay, 1 fragment, pro- 

 bably belonging to the present species. — New to Iceland, 



Cadliiia obvelata (Muller). 



Berufjord, 9 — 13 fms, 1 sp., 1. 18 — Reykiavik, 8 fms, 

 stones, 3 sps., max. 1. ca 17. — Odhner 1907. 



Corypliella bostoiiieiisis Bergh. 



Iceland, witliout definite locality, 2 sps., max. 1. 18 (Odh- 

 ner 1907). 



Coryp^iella salmoiiaeea (Couthouy). 

 Hofsos, 40 fms, clay, 1 sp., 1. 12 (Odhner 1907). 



Aiiomia epliippium Linné 

 (incl. var. squamiila Linné and cyliiidrica Brown). 



Fig. 6—10. 



Arnanes, 25 fms, many sps., max. diameter 20 (from iimbo 

 across the shell) — Bernfjord, 7 — 13 fms, rocks, numerous 

 sps., max. d. 20 — Siglafjord, 12 fms, 4 sps., max. d. 4 — 

 öfjord, 5 sps., max. d. 8 — Var. cylindrica and squamida 

 occur frequently together with the type. 



A 11 om i a aculeata Linné. 



Hofsos, 40 fms, clay, 2 sps., max. diameter 11,ö — Ranfar- 

 hofn, 1 sp., d. 5. 



Pecteii islaiidicus Muller. 



Arnanes, 25 fms, clay, many sps., max. 16,5 — Beru- 

 fjord, 7 — 30 fms, many sps., max. 30 — Öfjord, 3 sps., max. 

 17,5 — Torell 1859. — The measurements are taken from 

 the umbones across the shell. 



Limatiila subaurieulata (Montagu). 



Berufjord. 15 — 30 fms, rocks, many sps., 1. 8,7 — Rau- 

 farhofn, 35 fms, 7 sps., max. 4,5 — Northern Iceland, many 

 sps., max. 6,5. — Stated by Jeffreys from Iceland. 



