KT7NGL. SV. VET. AKADEMIENS HANDLINGAR. BAND 63. NIO 2. 45 



Murman coast, No vaja Zemlja, in Kära Sea and Barents Sea; it is abundant off 

 Spitzbergen and common off Iceland and Greenland. Westward it has been reported 

 from the Arctic American Archipelago and from the east coast of N. America from 

 Labrador to Vineyard Sound, 10 fms (Hartmeyer 1903, Redikorzew 1906, Van 

 Name 1912). 



This species occurs both solitary and aggregated into dusters, consisting of 

 numerous individnals, often covered with young ones. Usual bottom, stones, but 

 also clay and gravel, sometimes sand. Depth, down to 550 m. 



Dendrodoa aggregata var. adolphi Kupffer 1874. 



Distribution: East Greenland, Shannon Island (Kupffer 1874). — North-eastern Pacific: Cape Etolin, 

 Nunivak, Alaska, 8 fms, 150 sps (Rittek 1913). 



Dendrodoa aggregata var. cylindrica Bjerkan 1911. 



Distribution: Arctic North America, Ellesmere Land, Landsend Bay, depth about 35 m, 2 sps (Bjer- 

 kan 1911). 



Dendrodoa aggregata var. groenlandica n. var. 



Pl. 2, fig. 42. Pl. 3, figs. 45—46. 



Habitat: 



West Greenland: Sukkertoppen, 60 fms, clay, 8 sps (September 24, 1870). 



Dendrodoa aggregata var. tuberculata Ritter 1899. 



Distribution: North-eastern Pacific (Ritter 1899, 1913). 



Dendrodoa aggregata var. pulchella Verrill 1871. 



Pl. 2, fig. 41. 



Syn. Cynthia pulchella, Verhill 1871. 



Dendrodoa Mkenthali, Hartmeyer 1899. 



Habitat: 



Spitzbergen: Horn Sound, 40—100 fms, 2 sps. — Spb. Exp. 1861 (I.A.Malm- 

 gren): Kings Bay, 25 fms, clay with red sand, 2 sps; Danes Gat, 20 fms, sand and 

 stones, 1 sp; Hakluyts Headland, 12—30 fms, stones and algae, 3 sps (May, 1861); 

 Fosters Islands, 40 fms, sand, 5 sps (August 3, 1861); Waigat Islands, 30 fms, 

 rocks, 10 sps, D:o 60—80 fms, clay, many sps (August, 1861). — Spb. Exp. 1868: 

 Lomme Bay, 25 — 40 fms, stones and clay, 1 sp (September 10, 1868); Lovén's Mount, 

 36 fms, stones and clay, 1 sp (September 11, 1868). Norway Island, 10 fms, clay, 

 1 sp (Spb. Exp. 1872—73). 



