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



Station 317.— Febniaiy 8, 187G; lat. 48° 37' S., long. 55° 17' W.; 1035 fms.; bottom 



temperature 1'7° C. ; hard ground. 

 Oijliioglyplia meridio7ialis. Also Station 320. 



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



temjDcrature 2 "7° C. ; bard ground. 

 Opluoglypha confragosa. 



meridionalis. Also Station 317. 

 OphiocJiondrus stelliger. 



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

 mas Harbour, Balfour Bay, and Eoyal Sound, 

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



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



temperature 0'0° C. ; grey mud. 

 Ojjhiomusmm archaster. 



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



temperature 0*4° C. ; grey mud. 

 Ophiocten urn hraticum. 

 Amphmra 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. 

 Ophioglyp)lia lepida. Also Stations 45, 46, off Bermuda, 7Q. 

 Ophiocreas cedipus. Also Stations 214 (same sp. ?), 344. 



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

 Op>liiacantha cuspidata. 

 Ophiocreas osdijnis. Also Stations 214 (same sp. ?), 343. 



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



temperature 0"4° C. ; globigerina ooze. 

 OpMoghjj)ha convexa. Also Stations 241, 246. 



The data of the foregoing tal)le, coml>ined 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 



