1373 ♦ A distant view of the 
Hacienda Linda Vista, Riacho 
Pilaga, Formosa, Argentina. 
August 8, 1920. 
B.S. 22016. Typical lagoon in 
Chaco with shores clogged by float- 
ing water hyacinth. Riacho Pilaga, 
Formosa, Argentina. 
August 10, 1920. 
B.S. 22014-1/2. View in 
open Chaco. Riacho Pilaga, 
Formosa, Argentina. 
August 8, 1920. 
