262 



THE VOYAGE OF H.M.S. CHALLENGER. 



the arm forks are commonly shorter, as will appear l)y the fallowing measurements of 

 three Patagonian and three western specimens : — 



Kerguelen Islands; 75 to 120 fathoms. Station 150.— February 2, 1874; lat. 

 52° 4'S., long. 71° 22' E. ; 150 fathoms; rock. Station 151.— February 7, 1874; off 

 Heard Island ; 75 fathoms ; mud. Station 307.— January 4, 1876 ; lat. 49° 24' S., long. 

 74° 23' W. ; 147 fathoms; mud. Station 308.— January 5, 1876 ; lat. 50° 10' S., long. 

 74° 42' W. ; 175 fathoms ; mud. Station 313.— January 20, 1876 ; lat. 52° 20' S., long. 

 68° 0' W. ; 55 fathoms; sand. Off East Patagonia; 55 to 144 fathoms. 



Gorgonoceplialus verrucosus, Lym. (PL XLVIII.). 



Euryale verrucoswm, Lmk., Hist. Anim. sans Vert., vol. ii. p. 537, 1816. 



Euryale verritcosmn, Ciivier, Regne Anim., Zooph., pi. v., 1817. 



Adroi:ihyton scutatum, Agas., Mem. Soc. Scion. Nat. Neucliatel, vol ii. p. 11, pi. i. to iii., 1839. 



Astrophyion verrucosum, Miill. & Tr., Syst. Ast., p. 121, 1842. 



This is a somewhat aberrant member of the genus. There are no scales or pieces 

 homologous with upper or under arm plates, in which respect it approaches Astrophyton. 

 The side arm plates are, however, by no means so large as in that genus, being short, 

 thin plates covering only a part of the under surface of the arm. A character of similar 

 significance is the absence of any row of plates along the margin of the disk. The hook 

 belts are confined to the terminal twigs. It approaches Astrophijton also in the great 



