FISHES OF WEST COAST OF PERU. 81 



109. ANISOTREMUS PACIFICI (Gunther). 



Conodon pacifici Gunthkr, Proc. Zool. Soc. Loudon, 1864, p. 147 ; Chiapas. 



Anisotremus pacifici Jordan and Evermann, Fishes North and Mid. Amer., 

 vol. 2, 1898, p. 1316. — Gilbert and Starks, Fishes of Panama Bay, 

 Mem. California Acad. Sci., vol. 4, 1904, p. 106. — Starks, Fishes from 

 Ecuador and Peru, Proc. U. S. Nat. Mus., vol. 30, 1906, p. 788; 

 Guayaquil. 



Anisotremus ( Paraconodon) pacifici Steindacher, Herpet.-Ichthoyl., 

 Ergebnisse einer Reise nach Siidamerika, Denkschr. Akad. Wiss. Wien, 

 vol. 72, 1902, p. 27. 



Pacific coast of Central America ; southward to Peru ; common at 

 Panama. 



110. ANISOTREMUS SCAPULARIS (Tschndi). 

 CHITA; SARGO; CORCOVADO. 



Plate 8, fig. 1. 



Prisfopomus scapnlareTscnvm, Fauna Peruaua, Ichth., 184 4, p. 12; Huacho. 



Anisotremus scapularis Jordan and Evermann, Fishes North and Mid. 

 Araer., vol. 2, 1898, p. 1320. — Abbott, Marine Fishes of Peru, Proc. 

 Acad. Nat. Sci. Phila., 1899, p. 350. — Snodgrass and Heller, Shore 

 Fishes of Galapagos Islands, Proc. Washington Acad. Sci., vol. 6, 

 1905, p. 377.^ — Starks, Fishes from Ecuador and Peru, Proc. U. S. Nat. 

 Mus., vol. 30, 1906, p. 788. 



One specimen, field No. 09709, 40 cm. long, locally called " sargo," 

 from Mollendo. One specimen, field No. 09574, 23.5 cm. long, from 

 Callao; one specimen, field No. 425, 13.6 cm. long, from near San 

 Lorenzo Island, Callao; one specimen, field No. 476, 22 cm. long 

 from Ballestas Island, region of Pisco, taken with a trammel net 

 in 1 to 3 fathoms ; two specimens, field Nos. 09467 and 09470, respec- 

 tively 23 and 23.5 cm. long, from Lobos de Afnera; one specimen, field 

 No. 09506, 4.8 cm. long, from Lobos de Tierra; and one specimen, 

 field No. 09559, 27 cm. long, locally knoAvn as " Corcovado," from 

 Paita. 



Head 3 to 3.3 in length ; depth 2.1 to 2.45 ; eye 3.8 to 5.35 ; snout 

 2.85 to 3.4 ; interorbital 2.5 to 3.1 ; pectoral 1 to 1.1 ; D. XII, 15-17 ; A. 

 Ill, 13; scales 11-58 to 62-20(+3). 



An example 40 cm. long from Mollendo had head 3.23 in length; 

 depth 2.4; eye 5.1 in head; snout 3.1; maxillary 3.18; interorbital 

 2.68; pectoral 1.13; D. XII, 17; A. Ill, 13; scales 11-60-22. 



Body stout, the dorsal outline strongly arched, ventral outline 

 straighter; caudal peduncle rather small, its depth 2.4 in head; head 

 short, profile very steep; snout short and blunt; mouth small, hori- 

 zontal; maxillary reaching to the vertical from the anterior border 



