308 THE VOYAGE OF H.M.S. CHALLENGER. 



Station 317.— February 8, 1870; lat. 48° 37' S., long. 55° 17' W.; 1035 fins.; bottom 



temperature 1'7 C; hard ground. 

 Ophioghjpha meridionalis. Also Station 320. 



Station 320.— February 14, 1876; lat. 37° 17' S., long. 53° 52' W. ; 600 fins.; bottom 



temperature 27° C. ; hard ground. 

 Ophioghjpha confragosa. 



meridionalis. Also Station 317. 

 Ophiochondrus stelliger. 



Ophiacantha viripara. Also Stations, off Marion Islands, Christ- 

 mas Harbour, Balfour Bay, and Royal Sound, 

 Kerguelen Islands, 150, 151, 313, 314, 315. 



Station 323.— February 28, 1876; lat. 35° 39' S., long. 50° 47' W.; 1900 fins.; bottom 



temperature 0'0° C. ; grey mud. 

 Ophiomusium archaster. 



Station 325.— March 2, 1876; lat. 36° 44' S., long. 46° 16' W. ; 2650 fms. ; bottom 



temperature 0"4° C. ; grey mud. 

 Ophiocten umbraticum. 

 Amphiura dalea. 



Station 332.— March 10, 1876; lat. 37° 29' S., long. 27° 31' W.; 2200 fms.; bottom 



temperature 0'4° C. ; globigerina ooze. 

 Ophiomusium armigerum. Also Stations 83, 106, 299. 



Station 343.— March 27, 187 6; lat. 8° 3' S., long. 14° 27' W. ; 425 fathoms ; bottom 



temperature 4 "5° C. ; coral. 

 Ophioghjpha lepida. Also Stations 45, 46, off Bermuda, 76. ■ 

 Opjhiocreas cedijms. Also Stations 214 (same sp. ?), 344. 



Station 344. — April 3, 1876; off Ascension Island; 420 fathoms; hard ground. 



Ophiacantha cuspidata. 

 Opjhiocreas cedipus. Also Stations 214 (same sp. 1), 343. 



Station 346.— April 6, 1876; lat, 2° 42' S., long. 14° 41' W.; 2350 fms.; bottom 



temperature 0*4° C. ; globigerina ooze. 

 Ophioglypha convexa. Also Stations 241, 246. 



The data of the foregoing table, combined with facts previously known, give some 

 idea of the geographical distribution of the two families. It appears that, although deep 

 species are more inclined to extensive wanderings than those of the shallows, yet, on the 



