26 
Sertularia Fabricii Levinsen. 
Sertularia Fabricii Levinsen 1892. 
Thujaria — Brocli 1908. 
— — Nutting 1904. 
— — Jaderkolm 1909. 
Godtkaab Fjord, Stat. 52 (one colony witk gonotkecæ), Store 
Hellefiskebanke, Stat. 100 (one colony, 9 cm. kigh, witk many male 
gonotkecæ; tke keel of tke gonotkecæ is faintly developed, witkout 
any spine). — Recorded by Levinsen from the same two locali- 
ties and from Julianehaab, by Jåderholm from Lat. 70 1 /2° N. 
— Known from West-Greenland and Iceland; Pacific from Alaska 
to Puget Sound. 
Thujaria thuja (Linné) Fleming. 
Sertularia tliuja Linné 1767. 
Thujaria — Fleming 1828. 
— — Levinsen 1892. 
— — Jaderkolm 1909. 
Godtkaab Fjord, Stat. 52, 293 m. (6 large colonies). — Cir- 
cumpolar and in tke subarctic waters of tke Atlantic and tke Pacific. 
Thujaria hippuris Allman. 
Thujaria hippuris Allman 1874. 
Store Hellefiskebanke o ff Holstensborg, Stat. 100 (npper part 
of a colony), and Stat. 397 (3 colonies, two of wkich are fertile). 
— Tke branckes are siender and more faintly bent tkan in the 
case of Th. thuja ; the distance between tke hydrothecæ is about 
2 /3 of their length, somewkat varying. — Northern Atlantic. 
Thujaria laxa Allman. 
Thujaria laxa Allman 1874. 
— — Kramp 1911. 
Store Hellefiskebanke, Stat. 100 (one colony, 17 cm., without 
gonotkecæ) and 371 (one colony, 48 cm. with some few gonothecæ); 
45 miles WSW. of Egedesminde, Stat. 199 (2 colonies, 24 and 
29 cm.). — Occurrence: West-Greenland, North-East Greenland, 
