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



the head. Outer ventral ray bifid, slightly prolonged, reaching to the vent. Uniform 

 brown, vertical fins with a blackish margin. 



Habitat. — Puerto Bueno ; Magellan Strait. 



Off Cape Virgins, Patagonia, Station 313; depth, 55 fathoms. One specimen, 18^ 

 inches long. 



Puerto Bueno, 9th January 1876. One specimen, 11 inches long; one specimen, 12 

 inches long. 



Between Cape Virgins and Falkland Islands, Station 314; depth, 70 fathoms. One 

 specimen, 6 inches long. 



^ Molva, Nilss. 



Molva molva, L. 



Mulva vuhjaris (Flem.), CoUett, Nyt Mag. f. Naturvid., 1884, p. 84. 

 „ „ Lilljeb., Sverig. och Norg. Fisk., p. 131. 



Collett states that on the Norwegian coast young examples of the Ling are rarely 

 found at a less depth than 100 fathoms; and according to Lilljeborg the largest are 

 caught at a depth of from 80 to 150 fathoms. 



Molva ahyssorum, Nilss. 



Molva byrlelange (Walbaum), Strom, Norsk. Vid. Selsk. Skr., 1884, p. 35. 

 „ „ Collett, Nyt Mag. f. Naturvid., 1884, p. 84. 



„ ,, LUljeb., Sverig. och Norg. Fisk., p. 139. 



This species descends to a still greater depth than the Common Ling, and is abundant 

 between 100 and 300 fathoms. 



Onv^, Kisso. 



This genus is represented in the North Atlantic from the shore-line to a depth 

 exceeding: 1000 fathoms. 



"& 



Onus macrophthahnus. 



Motella macrojMJial/na, Giintli., Ann. and Mag. Nat. Hist., 1867, vol. xx. p. 288, pi. v. fig. b. 



D. 55. A. 55. P. 17. V. 5. 



Barbels three. The length of the head is one-fourth of the total (without caudal). 

 The diameter of the eye is one-fourth of the length of the head, as long as the snout, and 

 much longer than the interorbital space is wide. The maxillary reaches the hind margin 

 of the orbit. Both jaws with teeth unequal in size, some being enlarged and canine-like. 



