THE AMERICAN TETRAGONOPTERINAE. 199 
the cheeks.’ In life, 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. 
21. HyYpHESSOBRYCON INCONSTANS (Eigenmann and Ogle). 
Plate 27, fig. 1, 2; Plate 33, fig. 1, 2; Plate 78, fig. 5; Plate 79, fig. 2. 
Hemigrammus inconstans E1GENMANN & Oatxu, Proc. U.S. N. M., 1907, 33, p. 17, fig. 8 (Para). 
Hyphessobrycon inconstans EIGENMANN, Rept. Princeton univ. exped. Patagonia, 1910, 3, p. 437. 
Hyphessobrycon proteus EtGeNMANN, Indiana univ. studies, 1913, no. 18, p. 28. 
Hasrrar.— Colombia. 
Specimens examined. 
Number of Size 
Catalogue number specimens in mm. Locality Collector 
5094 C.8 1 74 Quibdo Eigenmann 
5095 C., 12858 I. 100+ Quibdo Eigenmann 
5096 C., 12852 I. 68 234 Soplaviento Eigenmann 
5097 C., 12853 I. 54 454 Calamar Eigenmann 
5098 C., 12854 I. 47 47 Cienega at Calamar Eigenmann 
5099 C., 12855 I. 2 Puerta Wilches Eigenmann 
5100 C. 1 Below Buena Vista Eigenmann 
5101 C. 1 39 Honda Eigenmann 
5102 C., 12856 I. 7 50* Bernal Creek, near Honda Eigenmann 
12857 I. 1 30° Apulo Gonzales 
1 All specimens at hand were preserved in formalin and have the black pigment emphasized. 
2 Type, 34591 U.S. N. M. Para ? Brazil, scales 6-32-4.5, A. 26, lateral line on left 13 + 4 +2 + 
3+1+7+ 2, onright 15 + 14+ 4; one maxillary tooth. 
Paratypes, four 37-45 mm. to base of caudal (47-57 over all) A. 24-26, scales 6-32 to 33-5; lateral 
line complete in two, in another, on the left 10 + 1+2+ 16+ 3; onthe right 17 +2+1+9+43; 
in another it is complete to within two or three scales. 
3 Type of H. proteus. An examination of the specimens from Quibdo on which the description is 
based shows eighteen with a complete lateral line, eleven with the line complete on one side and not 
on the other and seventy-six with the line incomplete on both sides. In the following table showing 
the lateral line on the two sides of a number of Quibdo specimens the numbers in italics indicate scales 
with pores. 
Length Left side : Totals Right side 
mm. 
57 32 32 33 = 33 
70 (A Se oes a ie = 32, 32=124+1+1+4+10+1+3+4+8+1 
70 22+44+24+24+1+4+2+4+1 = 34, 38=16+1+2+1+1+4+18 
73 14 + 19 = 33, 33 = 16+9+2+6 
72 13+15+2+3 = 33, 32=14+2+2+4+2+4142-+45 
69 TO 6 oN a1 = 34, 33 =2%+1+2+6 
68 32 = 32, 33 = 33 
76 28 +2+2 = 382, 33 = 19 +2-+ 12 
65 35 = 35, 35 = 38 
60 23 -+4+14-2-+-4 = 34, 34=18+1+42+42-+11 
