﻿Indiana University Studies 

 Vol. VII 



December, 1920 



A. THE FRESH-WATER FISHES OF PANAMA EAST OF 



LONGITUDE 80° W. 



B. THE MAGDALENA BASIN AND THE HORIZONTAL 



AND VERTICAL DISTRIBUTION OF ITS FISHES. 



By Carl H. Eigenmann 



The present study continues the discussion of the distribution of the fresh- 

 water fishes of western South America begun in Study No. 45 and continued 

 in Study No. 46. Other articles on the same subject are: "The Fish Fauna of 

 tne Cordillera of Bogota" (Journal Washington Academy of Sciences X, pp. 

 460-468, October 4, 1920); "The Origin and Distribution of the Genera of 

 the Fishes of South America west of the Maracaibo, Orinoco, Amazon, and 

 Titicaca Basins". Proc. Am. Philos. Soc, LX, 1921). 



The detailed account of the specimens of this region, fully illustrated, form- 

 ing Contribution f rom the Zoological Laboratory of Indiana University No. 172, 

 is in the hands of the Carnegie Museum of Pittsburgh which has contracted 

 to publish it. 



