BmS. 22289» Laguna Castillos. 

 San Vicente, Eocha, Uruguay. 

 January 3I, I92I. 



r 



B#S. 22291* Area on shore of # 

 Laguna Castillos lAfliere birds 

 sick or dead from alkali poison- 

 ing were found. San Vicente, 

 Rocha, Uruguay* 

 January 3I, 1921. 



B»S. 22292. Rock in pastures 

 and thickets above Laguna Castillos. 

 San Vicente, Rocha, Uruguay. 



January 3I, I92I. 



