244 BULLETIN 189, UNITED STATES NATIONAL MUSEUM 

 CONODON MACROPS, new species 



Ojo de uva 



Figure 53 



Conodon serrifer Evermann and Radcliffe (not of Jordan and Gilbert), 1917, 

 p, 82, pi. 8, fig. 2, Capon, region of Tumbes, Peru (references, but apparently 

 not pertaining to this species; description). 



Head 3.17; depth 3.3; D. XII, 12; A. Ill, 7; P. 16; scales 50. 



Body rather elongate, compressed, its greatest thicloiess somewhat 

 greater than half its depth; back rather low; dorsal profile anteriorly 

 gently convex; ventral outline gently convex; head rather low and 

 long; caudal peduncle long, compressed, 3.25 in head; snout fairly 

 blunt, 3.6; eye large, 3.8; interorbital 3.8; preorbital narrow, 10.8; 

 mouth oblique; lower jaw projecting; maxillary reaching nearly 

 opposite anterior margin of pupil, 2.7 in head; teeth in each jaw in a 

 band, the outer ones in each jaw enlarged (but less so than in the other 

 species of the genus) ; margin of preopercle denticulate, its angle 

 greatly produced, with a very large spine, the first 2 spines below and 



Figure 53. — Conodon macrops, new species. From the type, 255 mm. long, Capon, Peru 



(U.S.N.M. No. 77632) 



in advance of it directed downward and backward, the rest on horizon- 

 tal limb directed more or less forward; gill rakers slender, those at 

 angle about as long as pupil, 15 on lower and 6 on upper limb of first 

 arch; scales firm, slightly ctenoid on middle of body below lateral line, 

 cycloid elsewhere, 7 longitudinal rows of scales between lateral line 

 and base of first dorsal spine, 5 between lateral line and base of first 

 soft ray of dorsal; dorsal deeply notched, the fourth spine longest, 

 1.8 in head; anal spines stronger than dorsal spines, the second some- 

 what longer than the third, but scarcely stronger, 2.1 in head; ventral 

 inserted a little behind base of pectoral, the spine rather long and 

 slender, 2.1 in head; pectoral long, pointed, the sixth and seventh 

 ray (counting downward) longest, reaching well beyond tip of ventral, 

 1,1 in head, 3.5 in length. 



"Color in alcohol, brown; silvery reflections on belly, traces of 

 about seven blackish bars on sides" (Evermann and Radcliffe). The 



