ORNITHOLOGY OF SAN DIEGO COUNTY. 427 



15. Trochilus alexandri. 



BLAOK-CHIXNED HUMMINGBIRD. Common. More so than 

 any other of this genus. Fresh eggs were taken, and half- 

 fledged young found April 23d. 



16. Trochilus anna. 



ANNA'S HUMMINGBIRD. Rare. One male seen. 



17. Trochilus rufus. 



RUFOUS HUMMINGBIRD. Rare. 



18. Tyrannus verticalis. 



ARKANSAS KINGBIRD. Common. Nests were ready to re- 

 ceive eggs by the last of April. 



*19. Tyrannus vociferans. 



CASSINS KINGBIRD. Common. Nests about the same time 

 as the Arkansas Kingbird, but the eggs are not distinguish- 

 able from those of that species. 



20. Myiarchus cinerascens. 

 ASH-THROATED FLYCATCHER. One pair seen. 



*21. Sayornis nigricans. 

 BLACK PHOEBE. Common. Eggs taken April 27th. 



22. Empidonax difficilis. 



BAIRD'S FLYCATCHER. Was noticed only once, on April 

 8th. 



"23. Otocoris alpestris rubea. 



RUDDY HORNED LARK. Tolerably common. -Incubated 

 eggs were found April 20th. 



24. Aphelocoma californica. 

 CALIFORNL\ JAY. Common. 



