300 THE AMERICAN CHARACIDAE. 



I. Rio Ribeira. 



Catalogue Number of Size 



number specimens in mm. Locality 



3437 8 57-104 Iporanga 



3438 2 101-108 Xiririca 



J. Eastern slope of Rio Grande do Sul. 



3439 90 40-63 Porto Alegre 



3440 12 one 58 the Porto Alegre 



rest 120-152 



3441 3 60-97 Cachoeira 



3442 13 41-92 Cacequy 



K. Parana Basin. 



M. Paraguay Basin. 



3320 9 largest 95 Sapucay 



3453 3 57-60 Rio Jauru 



The following specimens from Colombia west of the eastern Cordilleras 

 differ considerably in shape. Some specimens from Apulo and Quibdo have the 

 depth equal to one third of the length. In other places they are always deeper, 

 and most of the specimens from the localities mentioned are deeper. There are 

 usually six scales between the dorsal and lateral line in the Upper Atrato, seven 

 in the Magdalena and eight in the Upper Cauca. The pores number 38 or 39 



1 A. 34, 26. Lateral line 38. " A. ^, ^^, S^-, -\^-. 



24 22 23 24 62 27 6 nor>tV, O "Z 1- & 26 27 28 20 81 



A. -y-, -1-, -3-, -^, -Tf-. "Depth Z.6-i, A. -j-j -?-> i', '^-y -^-^ 



' A. -V-, Y, -¥-. ' Depth 2.4-3.25. 



