Type. — United States National Museum. No. 51657. 



Distribution. — Hawaiian Islands ; in deep water. 



Specimen Examined : 



I (142 ram.). Hawaiian Is. U.S. Nat. Mus. 



This species was taken at depths ranging from 122 to 220 fathoms. 



21. ARNOGLOSSUS SCAPHA ([Forster] Schneider). 

 ["Megrim."] 



Plcuronedes scapha, (Forster) Schneider, 1801, in Bloch, Syst. Ichth., p. 163. 



Rhombus scapha, Richardson, 1843, Rept. Brit, .\ssoc., {Manch., 1842), p. 27. 



Platessa (Rhombus ?) scapha. Gray and Richardson, 1843, in Dieffenbach, Trav, N. Zealand, ii, p. 222. 



Pseudorhombus scaphus, Hutton, 1872, Cat. Fish. N. Zealand, p. 51, p. ix, iig. 82. 



Pseudorhombus boops {nan Hector) Giinther, 1880, Shore Fishes "Challenger", p. 26 ; Regan, 1914, 



Rep. Brit. Antarct. (" Terra Nova ") Exped., 1910, Zool., i, p. 21. 

 Pseudorhombus hectoris, Giinther, 1887, Deep-Sea Fishes " Challenger ", p. 163, fig. 4. 

 Caulopsetta scapha. Gill, 1893, Mem. Nat. Acad. Sci. Washington, vi, pp. 121, 124 ; Waite, 191 1, Rec. 



Canterbury (N.Z.) Mus., i, p. 200, pi. xxxiv; Thomson and Anderton, 1921, Bull. N.Z. Board 



Sci. Art., ii, p. 82 ; Phillipps, 1921, N.Z. J. Sci. Tech., iv, p. 121 ; Phillipps, 1927, N.Z. Mar. 



Dept., Fish. Bull., i, p. 27. 

 Caulopsetta hectoris, Philhps, 1927, torn, cit., p. 27. 



Eggs, Larv.« a.nd Young. 

 Anderton, 1907, Trans. N.Z. Inst., xxxix, p. 479, pi. xix, figs, c, e. 



Depth of body 2\ to 2J in the length, length of head 3? to nearly 4. Upper profile 

 of head only moderately convex above and behind eyes. Snout longer than eye 

 (except in young), diameter of which is 3 J to 5 in length of head ; eyes separated 

 by a bony ridge, the lower a little in advance of upper. Maxillary extending to below 

 anterior part or middle of eye, length 2^ to 25 in that of head ; lower jaw nearly twice 

 in head. Lower limb of pra:operculum \ or less than \ as long as head. Teeth of 

 upper jaw small and rather close-set laterally, some enlarged canines anteriorly : 

 lateral teeth of lower jaw much stronger and wider apart from those of upper, enlarged 



