258 PROCEEDINGS OF THE ACADEMY OF [May, 



DESCRIPTIONS OF SOME NEW POLYNOID^, WITH A LIST OF OTHEE 

 POLYCH^TA FROM NORTH GREENLAND WATERS. 



BY J. PERCY MOORE. 



The Polychseta of the Arctic regions have been so thoroughly 

 studied aud described by a host of able Scandinavian, Dutch, 

 German, English and other European zoologists that the fauna 

 ranks as one of the best known in the world. Although the shores 

 of Greenland have been repeatedly ransacked, especially by the 

 zoologists attached to various exploring expeditipus, the waters 

 washing the north and northwest borders of that island have been 

 searched much less thoroughly than those to the south and east. 



From the .standpoint of geographical distribution it has, there- 

 fore, seemed desirable to publish a list of the species contained in 

 three small collections from this region which I have recently had 

 the opportunity of studying. The first consists mainly of well- 

 known species of Polynoida; collected by Dr. Benjamin Sharp, in 

 the shallow waters of McCormick Bay, in July, 1891, while a 

 member of the party accompanying Lieutenant Peary to Green- 

 land. The second embodies the results of a few dredge hauls, also 

 in McCormick Bay, made by the Peary Relief Expedition, under 

 the command of Prof. Angelo Heilprin, in August of the following 

 year. This collection is remarkable fi'om the circumstance that, 

 Avhile it contains but twelve species, eleven of which are Polynoidse, 

 four are well characterized new forms. It indicates the richness of 

 the polynoid fauna at this pai'ticular spot, and recalls the results of 

 Heusen's study of the annelids of the Norwegian North Atlantic 

 Expedition to the regions about Spilzbergen and Nova Zembla. In 

 the following list this collection is indicated by the letters P. R. E. 

 These two collections belong to the Academy of Natural Sciences 

 of Philadelphia. The third collection was made under the direc- 

 tion of Prof. Ortmann of the Princeton University Expedition to 

 North Greenland in July and August, 1899. It is more extensive, 

 both in the number of species represented and in the extent of ter- 

 ritory covered, which overlaps McCormick Bay, both north and 



