Length 89 to 197 mm, Five from Peru, though one with tag 
which says Valparaiso, 
We have compared the large example in the Commercial 
Museum of Philadelphia, recorded as G. marmoretus Jenyns 
from Valparaiso, bt Fowler?78, and find it to be the present 
species, ‘+t differs from the Wilkes specimens only in minor 
variations: A. 9; P. 217; snout 2 4/5 in head; mouth width 
21/2; interorbital 2; color of dry skin brownish, mottled 
darker and mottlings on fin-rays obsolete; length 321 mm, 
G. marmoratus is said to have D. 135; A. 11 a different den- 
tition and a narrow interorbital, 
298 
Copeia, No, 34, August 24, 1916, p. 65, 
BALISTIDAE. 
ad 
Balistes niger Park : - ae 4 gS ae 
4 
Head 3; depth 2 1/10; D, IIT hima, woe A, 2a, Gey FP. oh, 2ee 
scales 52 from gill-opening to caudal base and 4 more on latter; 
60 scales from rictus to gill-opening; 42 scales between spinous 
dorsal origin and pubic spine; snout 1 1/5 in head; eye 4.1/5; 
interorbital 3 2/5; head width 1 9/10; 9 rows of antrorse spines 
along hind portion of trunk and better developed on caudal peduncle, 
Color in alcohol largely uniform brown, soft dorsal, anal and pec- 
toral pale brown. Spinous dorsal and caudal largely dusky-brown, 
latter broadly white marginally behind and narrowly pale along upper 
