EXPLANATION OF PLATE 10. 



Bay-wingei) Sparuow, Pookcetes (iRAMiNEUS: 1, head ; ."i, sternum. 



Lark Finch, Oiiondsstes grammaca ; 2, head ; 7, sternum. 



Fox-coLOREU Sparrow, Passerella iliaca ; o, head: 11. sternum. 



Song Sparrow, Melospiza melodia ; -4, liead ; C, sternum. 



Cardinal Grosbeak. Cardinalis virginianus : 9, head ; 22, sternum. 



Swamp Sparrow, INIelospiza palustris ; 8, sternum. 



Purple Fixcii, Carpodacus purpuueu.s ; U, head ; 10, sternum. 



White-eyed Towuee, Pipilo alleni- ; 1 2, sternum. 



Black and White Shore Finch, Ammodromus nigra : IM, sternum. 



Bobolink, DoLiCHONYX oryzivorus; 15, head; 16, upper mandible : 21, sternum. 



Cow Bunting, Molothrus pecoris ; 17, head; 27, sternum. 



Yellow -winged Sparrow, Coturniculus passerincs: 18, head. 



Red-avinged BiiACKBiRD, Agelaus phoeniceus ; 1!», head: 20. sternum. 



Yellow-headed Blackbird, Xanthocephalus, icterocephalus ; 23, head ; 28, sternum. 



Meadow Lark, Sturnella magna ; 24, sternum ; 25, ujiper mandible ; 2(1, head. 



