ADDENDA 114 . BLENNIID^ ISESTHES. 959 
downward and forward from eye; top of bead and upper part of dorsal 
fin usually with fine black spots; spinous dorsal with a median oran^io 
longitudinal band; other fins mostly dusky olive. Female with about 8 
blackish cross-bands extending on the dorsal fin ; the body everywhere 
with pale spots; fins all sharply barred with blackish and olive. Body 
deeper than in G. hosquianus ; the head shorter, blunter, and the mouth 
notably smaller; maxillary not reaching posterior margin of eye, its 
length 21^ in head; teeth occupying about half of lower jaw; height 
of gill-slit 3| in head, its lower edge opposite third ray of pectoral. A 
minute cirrus, shorter than pupil above each eye and each nostril. 
Dorsal continuous, with slender rays, the last one Joined to the caudal. 
First two rays of anal short, thick and fleshy in the males. Head .If; 
dejjth 3. D. XII, 17 ; A. II, 18. L. 4 inches. Pensacola Bay, Florida. 
(Jordan & Gilbert, Proc. U. S. Nat. Mns. 1882, 298.) 
Page 757. Instead of 1155, Isesthes gentilis read: 
1155. I. g^ilbei’ti Jordan. 
From the description on page 757, erase the phrases a blue spot on 
the dorsal in front ; males with golden stripes on lower parts of head,” 
and insert “■ no sharp markings in either sex.” This species is known 
from Santa Barbara and San Diego. It may be readily distinguished 
from I. gentilis by its stiff spines and multifid orbital tentacles, as well 
as by the color. 
Instead of the synonomy, on page 758, substitute : 
(Jordan, Proc. U. S. Nat. Mas. 1882, 349.) 
Page 758. After Isesthes gilherti add : 
1IC5 {h). 1. gentilis (Grd.) J. & G. 
Brown; males with the whole body closely mottled and blotched 
with darker brown, the light ground color forming reticulations around 
darker spots ; dark spots close-set on head ; lower part of side of 
head behind mouth with two shar])ly defined parallel vertical ])ale bars 
(said to be yellow in life); back with about C dusky cross-shades; a 
bluish spot on spinous dorsal in front. Female witli the spots on body 
duller, the bauds on head obsolete, aud the spot on front of spinous 
dorsal jet black and conspicuous ; fins all mottled. Bodj* rather ro- 
bust, the head very bluntly rounded in profile. Orbital tentacle simple, 
in the male one-third length of head, in the female much smaller; gill- 
opening not extending downward to lower edge of pectorals. Dorsal 
fin continuous, its spines low and flexible. Caudal free from dorsal and 
