FISHES OF WEST COAST OF PEEU. 73 



The first and second dorsal spines are short, the third to sixth are 

 long and filamentous, the third is as long as the head, the fourth is 

 two-thirds as long as the third and slightly longer than fifth; the 

 sixth is one-third of the third ; caudal slightly emarginate, tli^ upper 

 rays longer than the lower ; anal spines weak, much shorter than the 

 rays ; ventrals short, their tips reaching half way from base to third 

 anal ray, 2.20 in head; middle ray of pectoral longest, 1.66 in head, 

 fin rather broad. 



Color in alcohol, yellowish brown, darker on back; traces of six 

 or seven dusky cross-bands on sides; fins dusky. 



Genus PARALABRAX Girard. 



KEY TO SPECIES. 



o\ Dorsal rays 12 or 13; scales 12-77 to 80-25; interorbital 4.40 to 5.00. 



Jmmeralis, p. 73. 

 a'. Dorsal rays 14; scales 15-90-32; interorbital 6-6.16 . coWaensis, p. 74. 



101. PARALABRAX HUMERALIS (Cuvier and Valenciennes). 



CABRILLA; TSAMBOLLO. 



Serranus limneraUs Cuvier and Valenciennes, Hist. Nat. Poiss., vol. 2, 

 1828, p. 183 (246) ; Chile.— Guichenot in Gay. Hist. Nat. Chile, Zool., 

 1854, p. 149. — Steindachner, Herpet.-ichthyol., Ergebnisse einer Reise 

 nach Siidamerilia, Denkschr. Akad. Wiss. Wien, vol. 72, 1902, p. 24; 

 Callao. 



Serrmms semifasciatus Gay, Hist. Chile, Zool., vol. 2, 1848, p. 151, Atl. 

 Zool. Ictiol., 1854, pi. Ibis., fig. 2. 



Paralahrax humeralis Jordan and Eigenmann, Rev. Serranidae, Bull. U. S. 

 Fish Comm., vol. 8, 1890, p. 389. — Abbott, Marine Fishes of Peru, Proc. 

 Acad. Nat. 8ci. Phila., 1899, p. 348. — Starks, Fishes from Ecuador and 

 Peru, Proc. U. S. Nat. Mus., vol. 30, 1906, p. 787. 



Two specimens, field Nos. 09142-3, respectively 15.7 and 15.9 cm. 

 long, from Callao, from fish hucksters; one, field No. 09413, 22.8 

 cm. long, from Guanape North Island ; one, field No. 09610, 20.9 cm. 

 long, from Chincha Island; one, field No. 09626, 27 cm. long, from 

 Independencia Bay, Santa Rosa Island, east side; one, field No. 

 09524, 33.5 cm. long, from Lobos de Tierra ; one, field No. 09123, 20.1 

 cm. long, from Callao, Lima Market, called "Trambollo;" and one, 

 field No. 09715, 37.5 cm. long, from Mollendo. 



Head 2.47 to 2.6 in length; depth 3.3 to 3.5; eye 4.8 to 6 in head; 

 snout 3.4 to 4.4 ; maxillary 2.3 to 2.65 ; interorbital 4.4 to 5 ; D. X, 

 12 or 13 ; A. Ill, 7 ; scales 12-77 to 80 (+5) -25. 



Body elongate, moderately arched; head pointed; lower jaw pro- 

 jecting; maxillary reaching vertical from posterior border of pupil; 

 preopercle serrate; opercular spine stout; scales large, strongly 

 ctenoid ; spinous dorsal rather high, third dorsal spine longest, 2.35 



