Colpr in alcohol back brown with dull gray tinge, 
Sides and lower surface pele to whitish. Fins pale 
prownish. Iris pale brassy-brown, Cluster of brown dots 
on exposure of each scale, form longitudinal bands, Length 
107 mm, (caudel damaged). One without locality, doubtless 
from San Francisco? 
Hyperprosopon argenteus (Gibbons). 
Head 3 1/8%; depth 2 1/57; D. VIII, 273 A. III, 523 
body strongly compressed; snout 1 1/3 in eye; eye 2 3/4 in 
head; median dorsal spines highest, little longer than soft 
rays; pectoral reaches front anal rey bases; ventral inserted 
close behind pectoral base, Rakers 818, lanceolate, about 
2 in eye; filaments 4/5 of rakers. Scales with 8 to ld basal 
marginal striae; circuli rather coarse, In alcohol back 
slaty. Sidés and lower surface silveryewhite, also sides 
of head; fins all dull brown, Length 76 mm, (caudal damaged). 
One in very poor condition from San Francisco, Cal. 
Hyperprosophon ecassizii Gill. 
Head 2 7/8 to 5: depth 21/5 to 21/3; D. XK, 23, 13 
A. III, 29, i: scales about 68 to 70? in lateral line to 
caudal base; 10 to 12 scales above lateral line to spinous 
dorsal origin, 22 to 24 below to spinous anal origin; oO 
to 33 predorsal scales; snout Se to 3 2/3 in head; eye 3 1/8 
to 3 2/5; maxillary 3 to 3 1/10; interorbital 4, 
