Polychaeta 23 B 



Well known from the Arctic and North Atlantic, and occurring as far 

 south as the Mediterranean sea. On the American side it has been previously 

 recorded from Greenland and Davis strait, Labrador, New England, and Bering 

 sea. 



Thelepus cincinnatus (Fabricius). 



1780. Amphitrite cincinnatus FABRICIUS, Fauna Groenl., p. 286. 



1817. Terebella cincinnata SAVIGNY, Syst. Annel. 



1818. Sabella conchilega MONTAGU, Trans. Linn. Soc. Lond. 12. 

 1826. Terebella lutea Risso, Hist. Nat. Eur. Merid., 4. 



1847. Terebella mandida, FREY and LEUCKART, Beitr. Wirb. Thiere, p. 154. 

 1849. Thelepus Bergmanni LEUCKART, Archiv. Naturg., 15, pt. I, p. 169. 

 1853. Lumara flava STIMPSON, Marine Inverteb. Grand Manan, p. 30. 

 1860. Terebella pustulosa GRUBE, Archiv. Naturg., 26, pt. 1, p. 100. 

 1865. Thelepus circinnatus MALMGREN, Ofvers. vet. Akad. Forh., p. 381, 

 pi. 22, f. 58. 



. Venusia punctata JOHNSTON, Cat. Annel. Brit. Mus. 



. Heterophyselia cincinnata QUATREFAGES, Hist. Annel., 2, p. 387. 



. Phenacia terebelloides QUATREFAGES, op. cit., p. 375. 



. Phenacia pulchella PARFITT. 

 1869. Phenacia ambigrada CLAPAREDE, Annel. Golfe Naples, p. 402, pi. 18, f . 6. 



. Phenacia retrigrada CLAPEREDE, ibid., p. 403, pi. 18, f. 7. 

 1871. Thelepodopsis flava SARS, Vidensk. Selsk. Forh. 

 1902. Thelepus antarcticus WILLEY, Polychaet. Voyage of Southern Cross. 



LOCALITY. Hudson strait Ungava: King George's . sound. September 9, 

 1897. Diana Expedition. Low and Wakeham. One specimen in poor con- 

 dition, with tube. 



A species of exceedingly wide distribution, occurring in the Antarctic as 

 well as the Arctic region, where it is abundant, and also found in both the Atlantic 

 and Pacific oceans, probably more or less continuously between the two polar 

 regions. 



Terebellides stroemi Sars. 



1835. Terebellides Stroemi SARS, Beskriv. og lakttag., p. 48, pi. 13, f. 31a-d. 

 1846. Corephorus elegans GRUBE, Archiv. Naturg., 12, 1. 

 1853. Terebella pecten DALVELL, Pow. Great., 2, p. 208, pi. 26, f. 9. 

 1874. Terebellides gracilis MALMGREN, Goteborg. K. Vetensk. och Vitterh. 

 Handl., ny tidsf., 14. 



LOCALITIES. North of Alaska: Station 23 (latitude 70 24' N., longitude 

 161 25' W). August 19, 1913. Depth 9 to 10 fathoms. Gray mud with 

 pebbles; no algae. Alaska: Collinson point. Station %7s. October 3, 1913. 

 Depth, 3 fathoms. Bottom, mud with pebbles. 



Two specimens which seem fully to conform to this species. It is a wide- 

 spread and commonly abundant species in Arctic and northern waters, and 

 extends southward in the Atlantic to the Mediterranean on the eastern and to 

 southern New England on the western coast and in the Pacific to Japan. 



AMPHARETIDAE. 

 Samytha sexcirrata (Sars). 



1856. Sabellides sexcirrata SARS, Fauna litt. Norvegiae, 2, p. 23. 



1865. Samytha sexcirrata MALMGREN, Ofvers. k. vet. Akad. Forh., p. 370, 



pi. 20, f. 49-49D. 



LOCALITY. North of Alaska. Station 23. (Latitude 70 24' N., longitude 

 16125 / W.) August 19, 1913. Depth 9 to 10 fathoms Gray mud with 

 pebbles; no algae. 



