PROCEEDINGS OF THE UNITED STATES NATIONAL MUSEUM 



issued iK^^rvA" S^I^l ^y '^* 



SMITHSONIAN INSTITUTION 



U. S. NATIONAL MUSEUM 



Vol. 85 Washington: 1938 No. 3034 



REVIEW OF THE ANNELID WORMS OF THE FAMILY 

 NEPHTYIDAE FROM THE NORTHEAST PACIFIC, WITH 

 DESCRIPTIONS OF FIVE NEW SPECIES 



By Olga Hartman 



The Nephttidae of the northeast Pacific are known to be repre- 

 sented by a single genus. Nephtys Cnvier. Five species of Nefhtys 

 have been reported from California, all of them typically polar 

 Atlantic or circumpolar forms, with type localities as follows: N. 

 caeca (Fabricius), Greenland: N. ciliata (O. F. Miiller), Norway; 

 N. asmnilis Malmgren, Norway; N. incisa Malmgren, Norway; and 

 N. inahngreni Theel. Novaya Zemlya. Thus, even at first glance, 

 it is evident that the records for California should be examined criti- 

 cally. Probably only one of tliese species, N. caeca^ is present in 

 California, and that one seemingly rare; whereas two others, N. 

 ciliata and N. malmgrem., are present in more northern Pacific waters. 

 Doubts as to the identifications of N. caeca have already been ex- 

 pressed (Moore, 1909 and 1911; Monro, 1933; and others). In some 

 cases differences have been described that have made it possible to 

 identify the specimens in question with species treated herein. 



Materials t^ec?.— Through the courtesy of the United States 

 National Museum, its entire collection of west coast Nephtyidae was 

 placed at my disposal. This collection contains most of the species 

 herein treated. In addition, there were numerous collections in the 

 zoology department of the University of California, chiefly from 

 southern California. Others, made by E. F. Ricketts from Alaska 

 and Puget Sound, were of great help. Still others, collected during 



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