r 



1467 ♦ The plumes of pampas 

 grass. Guaxaini, Buenos Aires, 

 Argentina. 



liarch 3, 1921. 



r 



B.S. 22337. Bare open shore 

 of Laguna del Monte. Guaminx, 

 Buenos Aires, Argentina. 



March 1921. 



r 



B.S. 22339. Stilts and white- 

 romped sandpipers feeding on muddy 

 shores. Guaminx, Buenos Aires, 

 Argentina. 



March 1921. 



