CLASS AVES 



FIG. 504. Types of common passerine birds. (From Judd. Bui. 17, Bur 

 Biol. Survey, U. S. Dep't Agric.) A, kingbird, Tyrannus tyraniins (TvR.\x- 

 NID.E). B, blue jay, Cyanocitta cristuta (CORVID.E). C, bobolink, Dolichonyx 

 oryzi-corus (!CTERID.E). D, song-sparrow. Mclospiza mclodia (FRI.VGILLID.E). 

 E, barn-swallow, Hirundo crythrogastra (HiRrxnixiD.*:). F, cedar waxwing, 

 Bombydlla cedrorum (Bombycillidae). G, house wren, Troglodytes a'edon 

 (TROGLODYTID.E). H, mocking-bird. Minuis polyglottus 



