44- Oporornis Philadelphia, Mourning Warbler. 



45. " tolmiei, Macgillivray's Warbler. 



Genus 11. Geothlypis 



46. Geothlypis trichas trichas, Southern Yellow-throat. . 

 46a. " " brachidactyla, Northern Yellow-throat 

 46b. " " occidentalis, Western Yellow-throat. 

 46c. " " arizela, Pacific Yellow-throat 

 46d. " " sinuosa, Salt Marsh Yellow-throat. 



47. " beldingi, Belding's Yellow-throat. 



Genus 12. Cham;ethlypis 



48. Chamc^thlypis poliocephala poliocephala, Rio Grande 



Yellow-throat. 



Genus 13. Icteria 



49. Icteria virens virens, Yellow-breasted Chat. 

 49a. " " longicauda, Long-tailed Chat. 



Genus 14. WiLSONiA 



50. IVilsonia mitrata, Hooded Warbler. 



51. " pusilla pusilla, Wilson's Warbler. 

 51a. " " pileolata, Pileolated Warbler 



51b. 

 52. 

 Genus 15 

 53- 

 Genus 16. 

 54- 

 55- 



HYPOTHETICAL LIST 

 INDEX. 



" " chryseola, Golden Pileolated Warbler. 



" canadensis, Canadian Warbler. 



Cardellina 



Cardellina rubrifrons, Red-faced Warbler. 



Setophaga 



Setophaga ruticilla, American Redstart. 

 " picta picta, Painted Redstart. 



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