1070. 
C etonurus robustus Gilbert and Hubbs 
♦ *' 
Cetonu rus robustus Gilbert and Hubbs, Proc. U. S. Mat. Hus., vol. 51. 
p. (146) 207, pi. 11, fig. 2, 1916 (type locality i off east coast of 
central Hondo, 649 fathoms); Bull. U. S. Nat. Mus., No. 100, vol. 1, 
♦ 
p. 56Q # 1920 (Gulf of Tcaaini, Celebes$ south Patiente Strait| Gulf of 
« 
Boni; 525 to 845 fathoms). 
Depth 6 1/3 to 7 4/5 (to end of broken tail); head 5 l/4 to 
6, width 1 9/l0 to 2. Snout 3 to 4 in head; eye 4 to 4 l/2, 1 to 1 
2/5 in snout, 1 3/5 to 1 4/5 in interorbital; small, feeble mandibular 
barbel l/7 to 1/6 of eye; maxillary reaches 2/5 to l/2 in eye, length 
from front end 3 l/8 to 4.in head; teeth fine, even, in villiform bands 
in jaws, 7 or 8 irregular bands above and 4 or 5 below; interorbital 2 
l/5 to 2 l/2, low, with uneven depressions. Gill rakers 0+11 short 
spinescent knobs on second arch, l/2 of gill filaments, which l/4 of 
eye. 
Scales 180? in lateral line to end of broken tail, of which 8 
forward of vent; 12? above, 38 below, 45 predorsal. Scales all adherent, 
. 
finely spinescent or.rough velvety to touch, equally small on head as on 
body. Scales with 5 to 10 slender erect spinules apieally; circull 
moderate. 
second ■s imple ray 
