mil':;; Townsend, Birds Collected in Lower California 25 



6 and 7, Angel Guardia Island, April 11, Ceralbo Island, April 19, Mira- 

 flores, May 10 and 11, and Tiburon Island, April 12. 



A nest and two eggs were taken at Cape San Lucas on March 23, 

 and a nest with three eggs at Tiburon Island, April 12, the eggs on the 

 latter date being at the point of hatching. 



Polioptila cserulea obscura Ridgway 

 Western Gnatcatcher 

 Specimens were taken at La Paz, March 29 and 30, Agua Verde 

 Bay, April 12, Concepcion Bay, April 9, Ceralbo Island, April 19, Mira- 

 flores, May 8. 



It was observed also at Mulege and Santa Catalina Island, and was 

 rather common at most of the localities where it was found. 



Polioptila plumbea (Baird) 

 Plumbeous Gnatcatcher 

 Santa Margarito Island, March 19, Cape San Lucas, March 24, San 

 Jose del Cabo, March 26, La Paz, March 29 and 30, and Tiburon Island, 

 April 12. 



Planesticus confinis (Baird) 

 San Lucas Robin 

 San Bernardo Mountain, May 12-15, three specimens. 



