152 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 117 



Pseudopotamilla reniformis (MUller) 



Am-philrite reniformis Miiller, 1771, p. 194. 



Sabella reniformis Leukart [sic], 1849, p. 183, pi. 3, fig. 8. 



Potamilla reniformis (Miiller). — Wesenberg-Lund, 1950, p. 57. 



Pseudopotamilla reniformis (Leuckart) [sic]. — Berkeley and Berkeley, 1952, 



pp. 116-117, fig. 239. 

 Potamilla reniformis (Leuckart) [sic]. — Pettibone, 1954, pp. 336-337, figs. 30o-u. 

 Pseudopotamilla reniformis (Miiller). — Hartman, 1945, p. 47. 



Material: Station 57(1); Chukchi Sea; silt. 

 Family Serpulidae 



Dexiospira spirillum (Linnaeus) 



Serpula spirillum Linnaeus, 1758, p. 785. 



Sjnrorbis (Dexiospira) spirillum. — Berkeley and Berkeley, 1952, p. 133, figs. 

 272-274.— Pettibone, 1954, pp. 344-345, figs. 39u-x. 



Material: Station 54(4); Little Diomede Island. 



Literature Cited 



Arwidsson, Ivar 



1899. Studien iiber die Familie Glyceridae und Goniadidae. Bergens Mus. 

 Aarbog, no. 11, 70 pp., 4 pis. 

 Barnks, H. 



1959. Apparatus and methods of oceanography, 341 pp. 

 Berkeley, Edith, and Berkeley, Cyril. 



1948. Annelida, Polychaeta errantia. Canadian Pacific Fauna, no. 9b (1), 



pp. 1-100, 160 figs. 

 1952. Annelida, Polychaeta sedentaria. Canadian Pacific Fauna, no. 9b 



(2), pp. 1-139, 292 figs. 



1956. On a collection of polychaetous annelids from northern Banks Island, 



from the south Beaufort Sea, and from northwest Alaska, together 

 •with some new records from the east coast of Canada. Journ. 

 Fish. Res. Board Canada, vol. 13, pp. 233-246. 



1957. On some pelagic Polychaeta from the northeast Pacific north of 



latitude 40° N. and east of longitude 175° W. Canadian Journ. 

 Zool., vol. 35, pp. 573-578, 2 figs. 



1958. Polychaeta of the western Canadian Arctic. Journ. Fish. Res. 



Board Canada, vol. 15, pp. 801-804. 



1960. Some further records of pelagic Polychaeta from the northeast Pacific 



north of latitude 40° N. and east of longitude 175° W., together 

 with records of Siphonophora, Mollusca, and Tunicata from the 

 same region. Canadian Journ. Zool., vol. 38, pp. 787-799. 

 Chamberlin, Ralph V. 



1919. Pacific coast Polychaeta collected by Alexander Agassiz. Bull. Mus. 



Comp. Zool. Harvard, vol. 63, pp. 251-276, 3 pis. 



1920. The Annelida Polychaeta. Mem. Mus. Comp. Zool., vol. 48, pp. 



1-514, pis. 1-80. 



