THE SHORE FISHES OF PERU 327 



Genus CHEILODACTYLUS Lacepede, 1803 



Body oblong, compressed; back elevated; branchiostegals 5 or 6; 

 preopercle entire; gill membranes separate (not connected across 

 isthmus); teeth in a band in each jaw, conical or acute; scales moder- 

 ately large, about 50 to 60 in a lateral series, numerous small scales on 

 cheek and opercle; dorsal continuous, with about 16 to 19 spines, and 

 about 25 to 32 soft rays; anal with 3 spines and about 9 to 15 soft rays. 



Two species, one of which is new, are included in the Peruvian 

 collections. 



KEY TO THE SPECIES 



o. Body deep; back rather strongly elevated; depth in adults 2.5 to 2.75 in 

 length; upper jaw projecting little beyond the lower; lips only moderately 

 thick, the upper one grayish or duskj^; maxillary 3.4 to 4.3 in head. 



variegatus (p. 327) 

 aa. Body more elongate; back less elevated; depth 3.0 to 3.2 in length; upper 

 jaw projecting more strongly; lips very thick, the upper one black; max- 

 illary 3.2 to 3.4 in head elongatus, new species (p. 329) 



CHEILODACTYLUS VARIEGATUS Cuvier and Valenciennes 

 PiNTADILLA 



Cheilodadylus variegatus Cuvier and Valenciennes, 1833, p. 493, Valparaiso, 

 Chile (original description). — Gijnther, 1860, p. 81, coasts of Chile and Peru 

 (synonymy; description). — Abbott, 1899, p. 357, Callao, Peru (synonymy; 

 notes).— Steindachner, 1902, p. 122, Callao, Peru.— Starks, 1906, p. 797, 

 Callao, Peru. — Evermann and Radcliffe, 1917, p. 113, Pescadores Island, 

 Ancon, Guanape North Island, Paita, Independencia Bay, Mollendo, and 

 Lobos de Afuera, Peru (synonymj^; description). — Nichols and Murphy, 

 1922, p. 511, North Chincha Island and Guanape, Peru. — Fowler, 1940b, 

 p. 779, Callao, Peru. 



Cheilodadylus cindus Tschudi, 1845, p. 15, pi. 2, Peru (original description). 



Head 2.9 to 3.15; depth 2.5 to 2.8; D. XVI or XVII, 26 to 32 

 (usually 28 to 30); A. Ill, 9 or 10; P. 14, the lower 6 rays simple; 

 scales 50 to 57; vertebrae 34 (one specimen dissected). 



Body rather deep, compressed, its greatest thickness usually rather 

 less than half its depth; profile rather steep, and moderately convex 

 anterior to dorsal fin; back narrow; caudal peduncle compressed, 3.0 

 to 3.5 in head; snout moderately long and pointed, 2.6 to 3.0; eye 

 4.2 to 5.1; interorbital somewhat swollen anteriorly, 3.7 to 4.4; 

 mouth rather small, horizontal; lower jaw included, a little shorter 

 than the upper; lips moderately thick, the fold of lower lip interrupted 

 at symphysis; maxillary not quite reaching vertical from anterior 

 margin of eye, 3.4 to 4.3 in head; teeth in each jaw rather bluntly 

 pointed, in a band anteriorly, reduced to a single series posteriorly, 

 several of the posterior teeth in upper jaw enlarged; gill rakers short, 

 slender, 14 to 17 more or less developed on lower and 5 to 7 on upper 

 limb of first arch; lateral line complete, following contour of back, 

 remaining decidedly above midline on caudal peduncle; scales with 



