176 PROCEEDINGS OF THE ACADEMY OF [Feb., 



Britain, Faroe Islands, Norway, Spitzbergeu, IMurman coast. A 

 variety, decemradiata, Avith ten rays at Sitka (Brandt). 



11. Pteraster militaris (O. F. Muller). 



Asterius militaris O. F. Muller, Zool. Dau. Prorlr., p. 234, 17T6. 

 Pteraster militaris Muller and Troschel, Syst. der Asteroid., SuppL, p. 

 28, 1842. 



Station o9. Granville Bay, 30-40 fathoms. 1 specimen. 



Station 50. Karnah, 30-40 fathoms. 2 specimens. 



The specimen from Granville Bay has R. 23, r. 10. The other 

 two specimens are badly damaged. 



Distribution. — North American coast. Bay of Fuudy and south 

 to Cape Cod, west coast of Greenland, Dobbin Bay (Nares Ex.), 

 Davis Strait (Valorous Ex.), Smith Sound, British coast, Norway 

 Finmark, Spitzbergen, Nova Zembla, Kara Sea, 



OPHIUROIDEA. 



12. Ophioglypha sarsii (Lutken). 



Ophiara sarsii Liitken, Vid. Meddel. N. Foreniug i Kjobenhavn, p. 7, 



1854. 

 OpMoglypha sarsii Lyman, 111. Cat. ]\Ius. Comp. Zool. Cambridge, 



No. 1, p. 41, figs. 2, 3, 1865. 



Station 39. Granville Bay, 30-40 fathoms. 1 specimen. 



Station 40. Granville Bay, 20-30 fathoms. 1 specimen. 



Station 45. Barden Bay, 10-40 fathoms. 1 specimen. 



Station 49. OlriksBay, upper narrows, 15-20 fathoms. 3 speci- 

 mens. 



Station 50. Karnah, 30-40 fathoms. 1 specimen. 



Station 51, Robertson Bay, 35-40 fathoms. 1 specimen. 



The specimens range in size from 20 to 30 mm. disk-diameter. 



Distribution. — Arctic and Sub- Arctic, Circumpolar (Ludwig): 

 <3oast of Maine, Massachusetts Bay and off Martha's Vineyard, 

 Greenland, Discovery Bay and Hayes Point (JSares Ex.), coast of 

 Norway, Spitzbergen, Franz Josef Land, Kara Sea, Barents Sea. 

 Range in depth, 5-2941 meters (Ludwig). 



13. Ophioglypha robusta (Ayres). 



Ophiolcpis robusta Ayres, Proc. Boston Soc. Nat. Hist., IV, p. 134, 



1851. 

 Ophiorjlypha robusta Lyman, 111. Cat. Mus. Comp. Zool. Cambridge, 



No. 1, p. 45, 1865. 

 Op/dura squamosa Liitken, Yid. Meddel., etc., p. 6, November, 1854. 



Station 11. Northumberland Island, 10-15 fathoms. 1 speci- 

 men. 



Station 12. Foulke Fjord, S5 fathoms. 2 specimens. 



