B.S. 22319. Stick nests of 

 Pseudoseisura lonhotes, Rxo Negro 

 Hxo Negro, Uruguay. 

 February 17, 1921. 



B.S. 22320. Huge stick nest of 

 P seudoseisura lophotes . Rio Negro, Rio 

 Negro, Uruguay. 



February 17, 1921. 



r 



B*S. 22321* Rxo Uruguay^ 

 Salto, Uruguay. 



February 22, 1921. 



