A muddy, alkaline 

 channel in a cienaga, haunt of 

 HycticrTphes semicollariS j and 

 Capella parai^iae> Tunuyan, 

 Kendoaa, Argentina* 

 March 28, 1921. 



I486* Pond in a large cienaga^ 

 Birds in viater at left are yellow- 

 legs. Tunuyan, Mendoza, Argentina* 

 March 28,1921. 



Muddy channel in an 

 alkaline cienaga near Tunuyan, 

 Mendoza, Argentina. 

 March 28, 1921. 



