114. BLENNIID^ HETEROSTICHUS. 763 
aa. Nape Tvithout fringe of filaments. 
1>. Head pointed; no palatine teeth; spinous dorsal notched behind fifth spine; 
scales minute. (Gibbonsia* Cooper.) 
1164. C. evides .T. & G. nom. sp. uov. 
Usual color of adult translucent, reddish or orange, nearly plain; a 
large pellucid spot on the meml3rane behind third dorsal spine, and 
some small ones behind it; pectorals barred; young specimens vari- 
ously variegated, with light and dark shades of red, brown, and white, 
the hue varying exceedingly and dependent on the surroundings; a 
dark spot usually present behind gill-opening. Body elongate, com- 
pressed; head small, rather pointed; mouth quite small, terminal, the 
maxillary about reaching pupil, SJ in head; lower jaw projecting; no 
teeth on palatines ; posterior teeth not recurved ; eye moderate, shorter 
than snout, nearly 6 in head ; a small supraocular flap, not higher than 
pup'il. First spine of dorsal inserted over preopercle, its length more 
than one-third that of head; the second nearly equal; the third, fourth, 
and fifth progressively shorter; the sixth about as long as fourth; the 
seventh longer; the rest nearly equal to the last, which is lower than 
the soft rays; pectorals short, not reaching vent; ventrals short; scales 
very small, smooth; head naked; no air-bladder. Head 4|; depth 4|. 
D. V, XXXI, 10; A. II, 26. L. 9 inches. Coast of California, from 
Monterey southward ; in rock-pools ; very abundant. 
{Myxodes (Gibbonsia) elegans Cooper, Proc. Cal. Acad. Nat. Sci. hi, 109, 1864: BlaJcea 
elegans Steindachuer, Ichth. Beitriige, v, 148, 1876; not CUnus elegans C. &. V.) 
4<>§.— HETEKOSTICIIUS Girard. 
Kelp-JisJies. 
(Girard, Proc. Acad. Nat. Sci. Phila. 1854, 143: type Reterostichus rostratns Grd.) 
Body rather elongate, compressed, covered with very small, smooth 
scales; head long and low, the snout conic, produced, very acute; pre- 
maxillaries protractile; mouth moderate, terminal; each jaw with a row 
of conical teeth, behind which anteriorly is a broad patch of villiform 
teeth; vomer and palatines with villiform teeth; gill-rakers feeble; 
gill-membranes broadly united, free from the isthmus; orbital cirri 
minute or wanting; cheeks scaly. Dorsal fin very long, the posterior 
rays soft, the five anterior spines wider ajiart than the rest and sepa- 
rated from them by a notch, the first and second spines longest, rather 
flexible, the other spines stiff; caudal fin forked; ventrals I, 3; pec- 
* Cooper, Proc. Cal. Acad. Nat. Sci. iii, 109: type Myxodes elegans Cooper. (Dedi- 
cated to Dr. J. P. Gibbous.) 
