THE BRITISH KORTH-POLAB EXPEDITION 129 



Tarn. PoLYJsroiD^. 



Nychia cibeosa, Pallas*. 



Fragment of a large example from Cape Frazer, Grrirmell Land, 

 79° 44j' IN", lat., in 20 fathoms, on stony ground. Two specimens 

 from Station No. 29 have the dorsal bristles covered with an 

 ochreous investment, amongst which are many Infusoria. 



This species is common in Britain, Scandinavia, Iceland, Spitz- 

 bergen, and Greenland. 



^^^TJNOA CEestedi, Malmgren. 



A fine specimen from Franklin- Pierce Bay, Grrinnell Land, at 

 a depth of 15 fathoms, in 79° 25' N. lat. Bottom-temperature 

 29°"50. Tululipora and Halisarca occur on the scales. 



The length of the example is about 78 millims., and breadth 25 

 millims. The species is not uncommon in the Gulf of St. Lawrence, 

 and ranges northward to Greenland, to Spitzbergen, Iceland, and 

 Finmark. 



EUNOA NODOSA, SaTS. 



A large example from Cape Louis Napoleon, Grinnell Land, 

 lat. 79° 38' N., in 25 fathoms ; bottom-temperature 29°-2. A small 

 Tuhulipora and many Foraminifera are attached to the scales. 



-E^. nodosa ranges from Britain to Finmark and Spitzbergen, 

 and from the Gulf of St. Lawrence to Greenland. 



Lagisca eaeispina, Sars. 



An adult form (with smoother scales), measuring 55 millims. 

 in length and 17 in total breadth, from Cape Napoleon, 25 

 fathoms ; and a small variety, with more numerous cilia on the 

 scales, from Franklin-Pierce Bay, in 15 fathoms. Numerous 

 Loxosomce are attached to the scales of the former. The eyes in 

 the smaller form are larger and the tips of the bristles slightly 

 differ. 



Widely distributed in northern waters from Norway to Iceland 

 and Spitzbergen, and from the Gulf of St. Lawrence to Green- 

 land. 



Harmothoe imbricata, L. 



A large specimen from Floeberg Beach (the winter-quarters of 

 H.M.S. ' Alert '), 82° 27' N. lat. ; smaller forms from Bessels Bay, 

 81° 7' N. lat., in 7| fathoms, and from Station No. 29. 



* The arrangement and synonymy of Dr. Malmgren (Annulata Polychseta, 

 &c., 1867) is followed. Special reference to authorities is therefore unneces- 

 sary. 



