Echinoderms, 13 c 



OPHIUROIDEA. 



Stegophiura nodosa (Ltitken). 



Port Burwell, Ungava; Neptune Expedition; July 28, 1904. Dredged. 4 

 specimens. 



Ophiozea robusta (Ayres). 



Port Burwell, Ungava; Neptune Expedition, July 28, 1904. Dredged. 15 

 ispecimens. 



Nottingham island, Hudson strait. J. McKenzie, 1886. 1 medium-sized 

 .specimen. 



Ophiura sarsii (Llitken). 



Port Burwell, Ungava; Neptune Expedition, July 28, 1904. Dredged. 

 21 specimens. 



Near Fort Churchill, Hudson bay, 20 miles off river in 30 fatho'ms; bottom 

 clay with gravel; Diana Expedition, September 2, 1897. Disc, 21 mm. in 

 diameter. 1 specimen. 



Port Burwell, Ungava; 15 fathoms. Dr. Robert Bell, August, 1884. 14 

 specimens. 



Richmond gulf, east side of Hudson bay; 15-30 fathoms. A. P. Low, June, 

 1899. 1 specimen. 



Ophiocten sericeum (Forbes). 



Winter harbour, Melville island. Northwest Territories; Arctic Expedition; 

 May, 1909. "Attached to ship's anchor, in 7 fathoms." 8 specimens. 



Richmond gulf, east side of Hudson bay; 15-30 fathoms. A. P. Low, 

 June, 1899. 8 specimens. 



Ophiopholis aculeata (Linnaeus). 



Southampton island, Hudson bay; south shore harbour; Captain George 

 Comer, 1907-09. 3 specimens. 



Richmond gulf, east side of Hudson bay; 15-30 fathoms. A. P. Low, 

 June, 1899. 1 specimen. 



King George sound, Hudson strait, Ungava; 40 fathoms. Diana Expedi- 

 _tion. Low and Wakeham, September 9, 1897. 1 small specimen. 



