196 RECENT OPHIURANS. 



212. 0. ADIAPHORAH. L. Clahk, 1911. Bull. 75 U. S. N. M., p. 199, f. 91. 



4 PARATYPES. Bering Sea, 283-372 fms. Okhotsk Sea : off Kamchatka, 

 682 fms. 



213. O.ANCHILABRAH. L.Clark, 1911. Bull. 75 U. S. N. M., p. 204, f. 95. 



2 PARATYPES. Japan: off Omai Saki Light, 918 fms. 



214. O. ANOMALA G. 0. Sars, 1871. Vid.-selsk. Forh. f. 1S71, p. 12. Koehler, 1914. Bull. 



84 U. S. N. M., pi. 15, f. 3-5. 



5 specimens. Scandinavia. Off Georges Bank, 131 fms. 



215. O. ASPERA Lyman, 1878. Bull. M. C. Z., 5, p. 228, pi. 1, f. 10-12. 



21 specimens, including holotype and 4 paratypes.- Cuba: off Havana, 

 175^00 fms. Off Montserrat, 88-148 fms. Off Guadeloupe, 183 fms. Off 

 St. Lucia, 151 fms. Off St. Vincent, 124 fms. Off the Grenadines, 164 fms. 

 Off Grenada, 262 fms. Off Barbados, 73 fms. 



216. 0. BAIRDI Lyman, 1883. Bull. M. C. Z., 10, p. 256, pi. 5, f. 70-72. 



28 specimens, including holotype and 1 paratype. Off Cape Cod, 1242 

 fms. South of Marthas Vineyard, 1394 fms. Bering Sea, 850 fms. Off 

 Washington, 636 fms. California, northwest of San Nicolas Island, 451 fms. 



217. 0. BATHYBIA H. L. Clark, 1911. Bull. 75 U. S. N. M., p. 233, f. 110. 



40 specimens, including 37 paratypes. Off Alaska, 1569 fms. Alaska: 

 off Shumagin Islands, 1973 fms. Lower CaUfornia: off Point San Tomas, 

 868 fms. 



218. 0. BIDENTATA (Retzius). 



Asterias Iridentata Retzius, 1805. Diss. Ast., p. 33. 



Ophiacantha bidentaia Ljungman, 1872. Ofv. Kongl. vet.-akad. Forh., 28, p. 652. Lutken, 1858, 



Add. ad hist. Oph., pt. 1, pi. 2, f. 14 (as 0. spinvlosa). Koehler, 1909, Princesse-Alice 



Echinod., pi. 6. f. 3 (colored). 



135 specimens. Spitzbergen ' : Treurenberg Bay, 70 fms. Greenland. 

 Karahavet. Norway. Labrador: 3 miles south of Caribou Island, 50 fms. 

 New Brunswick: Grand Manan, off Duck Island, 18-20 fms. Maine, East- 

 port. Off Georges Bank, 220 fms. East of Cape Cod, 980-1242 fms. South- 

 east of Nantucket, 1350 fms. South of Marthas Vineyard, 1002-1394 fms. 

 East of New Jersey, 1241 fms. Off Delaware, 922-1186 fms. Off South Caro- 

 lina, 1386 fms. Gulf of Tartary, 318 fms. Sea of Japan, 163-245 fms. 



' Without definite locality. 



