r 



1A71# Arid, bush grom flats i 

 at Pescadores, San Luis, Argentina. 

 March 13,1921. 



» 1A72. Arid flat characteristic 



of western Argentina. Desaguadero, 

 -^j:mm Mendoza, Argentina. 

 March 13, 1921. 



B.S. 22349. Foothills of Pre- 

 Cordillera. Kilometro 32, Ferro- 

 car*ril Trasandine, ^£endoza^ 

 Argentina. 



March 15, 1921. 



