BiKar- 
For Sale by the University Bookstore, Bloomington, Ind., Price 50 cents. 
VOL, XI 
■ ■ ■ •- ■ - 
December, 1924 
Study No. 64 
THE FISHES OF THE EASTERN SLOPE OF THE 
ANDES. I. THE FISHES OF THE RIO BENI BASIN, 
BOLIVIA, COLLECTED BY THE MULFQRD EXPEDI- 
TION. By Nathan Everett Pearson, A.M., Assistant in 
Zoology, Indiana University. 
