ODHNER, MARTNE MOLLUSCA OF ICELAND 5 



Moelleri«a costulata (Möller). 



Berufjord, 7 fms, rocks, 1 sp. (t), diameter 1,9 — Rau- 

 farhofn, 35 fms, 6 sps. (f), max. d. 2 — Thistilfjord, 10—16 

 fms, sand, clay, 8 sps. (t), max. d. 2 — Öfjord, ca 10 sps. 

 (a few living), max. d. 2,]. 



Gibbula tumida (Montagu). 



Reykiavik, 8 fms, stones, 1 sp., height 8. — Mentioned 

 by Jeffreys, citing Torell. 



Margarita cinerea (Couthouy). 



Berufjord, 9 — 33 fms, rocks, many sps., max. height 12,3 

 — D:o, 15 fms, corals, 6 sps. — D:o, 40 fms, shells and sand, 

 4 small sps. — Bjarnanes, 15—30 fms, corals, many sps., max. 

 h. 12,2 — Hofsos, 40 fms, clay, many sps., max. h. 12 — 

 Raufarhofn, 35 fms, a few small sps., max. h. 1,6 — Öfjord, 

 1 sp., h. 12. 



var. striata Broderip & Sowerby. 



Berufjord, 9—33 fms, 1 sp. (f), heigt 20, whorls 6 Vi. — 

 Bjarnanes, 15—30 fms, corals, a few sps. — New to Iceland. 



Margarita grceulaiidica (Chemxitz). 



Arnanes, 25 fms, numerous, max. height 10 — Berufjord, 

 2 — 15 fms, Laminariae, many sps., max. h. 11 — Bjarnanes, 

 15 — 30 fms, corals, many sps., max. h. 12 — Hofsos, 40 fms, 

 clay, 2 sps., max. h. 9,2 (f) — Raufarhofn, 35 — 40 fms, 7 sps., 

 max. h, 9,7 — Reykiavik, 8 fms, stones, 2 sps., max. h. 8 — 

 Siglafjord, 12 fms, 1 sp. (f), h. 11 — Thistilfjord, 10— 16 fms, 

 sand, clay, 1 fragment — Öfjord, many sps., max. h. 10. — 

 All these specimens belong to the type; var. umhilicalis is 

 not represented in the collections. 



Jeffreys mentiones the species from Iceland. 



Margarita helicina (Phipps). 



Berufjord, 15 fms, clay, 1 sp., diameter 3 — D:o, 40 fms, 

 clay, 2 sps. (f), max. d. 4,4 — D:o, sand with shells, 3 small 



