756 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY IV. ' 
401.— OPIIIOBLENWIUS Gill. 
{BlennopMs Valenciennes; preoccupied.) 
(Gill, Proc. Acad.'Nat. Sci. Phila. 1860, 103; type BlennopMs webhii Val.) 
Body moderately elongate, strongly compressed, scaleless; snout 
short, high, abruptly decnrved anteriorly; symphysis of lower jaw 
with 4 hooked canines, the outer strongest and bent backward, almost 
forming a right angle; sides of lower jaw with 2 or 3 still larger canines, 
the hindmost very large and bent backward; upper jaw with 4 slender 
canines in front, followed by a long row of shorter, slender, movable 
teeth, which are set close together; nasal tentacle digitate; a low simple 
tentacle above eye; gill-openings wide. Dorsal fin long, the spines 
slender, separated by a slight notch from the soft rays; caudal Innate, 
free from dorsal and anal; veutrals moderate, I, 2; j)ectorals large, 
snake; Blennius.) 
1153. O. webbi (Val.) J. & G. 
Dark golden-brown, sometimes with a broad cross-band of dusky 
violet on back and dorsal fin; caudal with 2 dark longitudinal stripes; 
dorsal and anal purplish or orange ; an intense, round, dark, ocellated 
spot behind eye. Head much compressed; eye 3^ in head; snout 44. 
Dorsal beginning above gill-opening, ending just before caudal; its soft 
rays somewhat higher than the S])ines, the highest spine If in head; 
caudal and pectorals each about as long as head; ventrals 14 in head. 
Head 4; depth df. D. XI-22; A. II, 23; Y. I, 2; P. 15. “Western 
coast of Southern California” to Mazatlau, Barbadoes, and Canary 
Islands. {Steindachner.) 
( Blennophis wehUiYalenciennes; Webb & Berthelot, lies Canar. Poiss. 60: Blenno- 
pMs ivebbi Giintber, iii, 259; Steindachner, Ichth. Beitriige, viii, 41, 1879.) 
402.— CIIASJTIODES Cuvier & Valenciennes. 
(Cuv. & Val. Hist. Nat. Poiss. xi, 295, 1836: type Blennius bosquianus Lac.) 
Body oblong, compressed, naked; head triangular in iirofile, the 
snout somewhat pointed; month large, with lateral cleft, the maxillary 
usually extending to beyond eye; premaxillaries not protractile; teeth 
in a single series, long and slender, comb-like, confined do the front of 
each jaw; no canines; cirri very small or wanting; gill-openings very 
small, their lower edge above the middle of the base of the iiectorals; 
lateral line incomplete. Fins as in Blennius. American, 
yawning.) (See Addenda.) 
1153. C. bosquianus (Lac.) Cuv. & Val. 
Color (in ^ ) olive green, with about nine horizontal narrow blue lines, 
