GEN. 7-13 OF KEY. 



\ 1/19. CINCLUS MEXICANUS Sw. 

 Water Ouzel. Dipper. 



[20]. PHYLLOPNEUSTE BOREALIS BLASIUS. 

 Kennicott's Sylvia. 



21. REGULUS CALENDULA (L.) LIGHT. 



Ruby-crowned Kinglet. 



22. REGULUS SATRAPA LIGHT. 

 Golden-crested Kinglet. 



1/23. POLIOPTILA C^RULEA (L.) SCL. 

 Blue-grray Gnatcatcber. 



24. POLIOPTILA MELANURA LAWR. 

 Black-beaded Onatcatcber. 



25. POLIOPTILA PLUMBEA BD. 

 Plumbeous Gnatcatcber. 



^26. CHAMPA PASCIATA GAME. 

 Fasciatcd Tit. Oround "Wren. 



27. LOPHOPHANES BICOLOR (L.) BP. 



Tufted Titmouse. 



28. LOPHOPHANES INORNATUS (GAMB.) CASS. 



Plain Titmouse. 



29. LOPHOPHANES ATRICRISTATUS CASS. 



Black-crested Titmouse. 



30. LOPHOPHANES WOLLWEBERI BP. 



Bridled Titmouse. 



^31. PARUS ATRICAPILLUS L. 

 Black-capped Chickadee. 



^la. PARUS ATRICAPILLUS L., 

 var. SEPTENTRIONALIS (Harris) All. 

 I^ongr-tailed Cbickadee. 



