FISHES OF WEST COAST OF PERU. Ill 



1.1 to 1.2; ventrals 1.5 to 1.75; D. VIII, 26; A. II, 24 or 25; scales 

 16-118 (+3) -40. 



Body elongate, fusiform; head short, dorsal profile strongly con- 

 vex ; eye moderate, 1.5 in snout ; interorbital broad, rounded ; nostrils 

 small, the anterior with a flap; mouth small, oblique; maxillary 

 scarcely reaching vertical from front of eye ; teeth small, fine, villi- 

 form ; vertical border of preopercle evenly and finely serrate. 



Scales small, strongly ctenoid, regular in arrangement ; preopercle, 

 subopercle, preorbital; region aroimd eye and top of head from tip 

 of snout back to above middle of eye naked; cheeks and opercles 

 scaly, in the smaller examples the scales on cheeks extending on to 

 preopercle and subopercle; dorsal spines short, flexible, of nearly 

 uniform height, slightly shorter than soft rays; membranes of soft 

 dorsal and anal incised; caudal forked, upper lobe longer; ventrals 

 moderate, tips reaching within diameter of pupil of front of vent; 

 pectoral falcate, nearly as long as head. 



Color in alcohol : Eeddish brown on back, becoming yellowish on 

 belly; fins dusky. 



Rocky islands of the Pacific coast from Monterey to Peru and the 

 Galapagos Archipelago. 



140. CAULOLATILUS CABEZON, new species. 

 PEJE-BLANCO; CABEZON; CABEZUDO. 



Plate 10, fig. 3. 



Type.— C2ii. No. 77654, U.S.N.M. (field No. 09160), a specimen 

 27.5 cm. long, from Chimbote. 



A paratype, No. 09553, 31 cm. long from Paita. 



Head 2.95 in length ; depth 3.2 ; eye 4.4 in head ; snout 3 ; maxillary 

 2.64; interorbital 3.95; preorbital 5.57; pectoral 1.33; ventral 1.75; 

 D. VIII, 23 (i) ; A. I, 22; scales 14-101 (+3) -35. 



Body elongate, very deep at shoulders, narrowing posteriorly; 

 caudal peduncle 3.54 in head ; head long, profile strongly arched from 

 tip of snout to origin of dorsal; mouth large, oblique; maxillary 

 reaching to vertical from anterior border of pupil ; lips fleshy ; teeth 

 small, fine, outer teeth stronger, bands of teeth widest in front, nar- 

 rowing posteriorly to a single row ; in the lower jaw the posterior 

 teeth thicker, canine-like ; vertical border of preopercle strongly and 

 evenly serrate; opercle ending in a stout spine. 



Scales strongly ctenoid, regular in arrangement; preopercle, sub- 

 opercle, preorbital anteriorly; region around eye, snout, and top of 

 head to above middle of eye without scales ; cheeks and opercle scaly ; 

 first, second, and third dorsal spines graduated, shorter than the 

 others, which are of about equal length, 3.7 in head, nearly as long 

 as the anterior soft rays ; twentieth and twenty-first soft rays longest, 

 reaching to base of caudal, 2.43 in head ; caudal nearly truncate, outer 

 rays slightly produced; anal rays long as in dorsal, posterior rays 



