342 MEMOIRS OF THE CARNEGIE MUSEUM 



Cotypes, forty-three specimens, 19-34 mm. Tukeit. (C. M. Cat. No. 

 1195a-i; I. U. Cat. No. 11771.) 



Head 3.25-3.33; depth 2.5-2.7; D. 11; A. 17-20; scales 6-33 or 34-4; eye 2.5 

 in the head; snout about 2 in the eye; interorbital almost equal to the eye, 2.75 

 in the head. Maxillar}- teeth mostlj' conical, largest teeth with never more than 

 three points. Maxillary equal to the eye. 



Humeral spot very faint, vertically elongate, very near the head. Lateral 

 stripe narrow and very indistinct. Caudal spot intensely black, covering the ven- 

 tral two-thirds of the caudal peduncle, a little narrower in front than on the ver- 

 tical from the origin of the lower caudal lobe, not extending upon the caudal rays. 

 Top of head and dorsal scales very dark; scales of upper half of the sides heavily 

 outlined with dusky. All fin-webs dusky. Numerous chromatophores scattered 

 over the rest of the body, especially large and prominent on the cheeks. ^^ Anterior 

 half of anal, base of anal, sides just above the anal, and ventrals reddish; caudal 

 red or orange to deep yellow, lower lobe often more colored than the upper one; 

 base of dorsal, pectorals, cheeks, and under part of head yellow. 



203. Hyphessobrycon stictus Durbin. (Plate XLIX, fig. 7.) 



Hyphessobrycon stictus Durbin, Ann. Carnegie Mus., VI, 1909, 71. — Eigenmann, 



Repts. Princeton Univ. Exp. Patagonia, III, 1910, 437. 



Type, 38 mm. Lama Stop-Off. (Carnegie Museum Catalog of Fishes No. 

 1197.) 



Cotypes, one hundred and eight specimens, 25-40 mm. Maduni Creek. 

 (C. M. Cat. No. 1435o-j; I. U. Cat. No. 11895.) 



Cotypes, one hundred and sixteen specimens, 22-39 mm. Lama Stop-Off. 

 (C. M. Cat. No. 1436a-<; I. U. Cat. No. 11896.) 



Cotype, one specimen. Rockstone. (C. M. Cat. No. 1437.) 



Cotypes, ten specimens. Christianburg Canal. (C. M. Cat. No. 1438a-e; 

 I. U. Cat. No. 11897.) 



Cotype, one specimen. Cane Grove Corner. (C. M. Cat. No. 1439.) 



Head 3.5-3.8; depth 2.75-3.25; D. 11; A. 26-31; scales 6-33 to 35-4; eye 2.25 

 in head; snout 2 in eye; interorbital less than eye, about 2.5 in head. 



Humeral spot round, verj^ intense, surrounded by a light ring, very frequently 

 with a less intense dark bar extending obliquely downward and forward, and an- 

 other shorter one extending obliquely upward and forward. A faint secondary 

 humeral spot the width of two scales behind the first. Lateral stripe sharp and 



'* All specimens at hand were preserved in formalin and so ha\e the black pigment emphasized. 



