1901.] NATURAL SCIENCES OF PHILADELPHIA. 151 



20. Rachotropis aculeata (Lepecliin). 

 Sars, I. c, 1895, p. 434, PI. 149. 



Station 11. Northumberland Island, 10-15 fathoms (1). 



Station 12. Foulke Fjord, 35 fathoms (2). 



Station 27. Cape Chalon, 35 fathoms (1). 



Station 39. Granville Bay, 30-40 fathoms (8). 



Station 40. Granville Bay, 20-30 fathoms (13). 



Station 45. Barden Bay, 10-40 fathoms (2). 



Station 49. Olriks Bay, 15-20 fathoms (11). 



Station 50. Karnah, 30-40 fathoms (4). 



Station 51. Robertson Bay, 35-40 fathoms (1). 



Distribution. — Nova Scotia, Labrador, Polar Islands of North 

 America, Baffin Bay, Grinnell Land, North Greenland, West and 

 East Greenland, Jan Mayen, Spitzbergen, Finmark, Novaja 

 Semlja, White Sea, Franz Joseph Land, Point Barrow; 3-220 

 fathoms. 



Grinnell Land : Dobbin Bay, Cape Frazer, Franklin Pierce Bay, 

 Cape Napoleon, Discovery Bay, Floeberg Beach (Miers); North 

 Greenland: Cape Dudley Digges and Murchison Sound (Ohlin). 



21. Halirages fulvocinctus (M. Sars). 



G. O. Sars, I. c, 1895, p. 436, PL 154; Pherusa tricuspid Stimpson, 

 Proc. Acad. Phila., 1863, p. 139. 



Station 4. Upernavik, 8-10 fathoms (8). 



Station 52. Robertson Bay, 5-15 fathoms (5). 



Station 54. Foulke Fjord, 5 fathoms (1). 



Distribution. — Norway, Finmark, Nova Scotia, Labrador, 

 Grinnell Land. North, West and East Greenland, Spitzbergen, 

 Novaja Semlja, Murman coast, Kara Sea, Franz Joseph Land; 

 2-110 fathoms. 



Grinnell Land: Discovery Bay (Miers); North Greenland: 

 Liltleton Island (Stimpson). 



22. Pontogeneia inermis (Kroeyer). 

 Sars, I. c, 1895, p. 451, PI. 159. 



Station 4. Upernavik, 8-10 fathoms (7). 



Station 36. Saunders Island, 6 fathoms (1). 



Station 37. Saunders Island, 5 fathoms (2). 



Station 54. Foulke Fjord, 5 fathoms (4). 



Distribution. — Norway, Labrador, East and West Greenland 

 (northward to Upernavik); 0-120 fathoms. ? Siberian Polar Sea 

 (see Sars). 



