68 BULLETIN" 95, UNITED STATES NATIONAL MUSEUM. 



PomOdon macropMhalmus Boulengek, Cat. Fish. Brit. Mus., vol. 1, ed. 1895, 

 p. 144. — Steindachner, Faiina Cliilensis, 1898, p. 281. — Delein, Cat. 

 Feces de Cliile, 1901, p. 60. 



Two specimens, field No. 473, 18.8 and 26 cm. in length, from 

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

 in 1 to 3 fathoms ; one, field No. 481, 17.8 cm. in length, from Chincha 

 Island, region of Pisco, taken in trammel net; one, field No. 450, 26 

 cm. in length, from Callao; one, field No. 09720, 27.7 cm. in length, 

 from Mollendo, called "Papanoya," and one, field No. 09555, 35 cm. 

 in length, from Paita. 



Head 2.56 in length ; depth 2.47 ; eye 3.8 in head, equal to snout ; 

 maxillary 2.2 ; interorbital 5.5 ; D. X, 11 ; A. Ill, 9 ; P. 18 ; C. 19 ; 

 scales 19-100 (4-10)-35. 



Body compressed, oblong-ovate; caudal peduncle rather stout, its 

 least depth 2.68 in head; head pointed, lower jaw projecting; maxil- 

 lary reaching vertical from posterior border of pupil, its greatest 

 width 1.6 in eye; mouth very large, protractile; bands of small villi- 

 form teeth on jaws, vomer, and palatines; eye very large, interorbital 

 slightlj^ rounded, 1.33 eye; vertical border of preopercle with small 

 spines on lower portion, becoming smooth on upper portion, lower 

 border and angle with slightly enlarged denticles ; first dorsal spine 

 small, 2 in second, which is 1.75 in third; fourth longest, 3 in head; 

 soft dorsal higher than spinous portion, evenly rounded ; caudal with 

 its distal border slightly concave; third anal spine longest, 3.33 in 

 head, shorter than the soft rays; ventrals reaching to behind vent, 

 1.83 in head; pectoral broad, pointed, 1.64 in head. 



Scales small, ctenoid, a small area around eye, between eye and 

 snout and on tip of snout, without scales; maxillary covered with 

 small scales, those above lateral line anteriorly, very small, becoming 

 larger below lateral line and on caudal peduncle; dorsal and anal 

 with a scaly sheath at base; caudal finely scaled; pectoral scaled at 

 base. 



Color in alcohol, seal-brown on back and sides, lighter on belly; 

 lateral line dark brown, almost black; membranes of rays of dorsal, 

 caudal, anal, and ventrals, dark brown, rays lighter; pectoral 3^el- 

 lowish. Description is based on an individual 35 cm. in length from 

 Paita. 



Comparative measurements of an individual 27.7 cm. long from 

 Mollendo: Head 2.59 in length; depth 2.45; eye 3.27 in head; snout 

 8.54; maxillary 1.89; interorbital 5.5; pectoral 1.5; ventral 1.74; 

 D. X, 11; A. in, 9 (^). 



