Illustrations. 



IX 



Young Baltimore Orioles. On leaving nest. About two weeks old. 

 Baltimore Orioles. Adult males 



Hermit Thrush 



Olive-backed Thrush .... 



Bicknell's Thrush 



Nest of Wilson's Thrush 



Wilson's Thrush 



Blue-gray Gnatcatcher .... 



Ruby-crowned Kinglet .... 



Golden-crowned Kinglet. Adult inale . 

 Tufted Titmouse ..... 



White-breasted Nuthatch. Male and female 



Red-breasted Nuthatches 



Brown Creeper ..... 



Brown Creeper on Tree Trunk 

 Winter Wrens ...... 



Redstart. Adult male .... 



Wilson's Warbler. Adult male 



Oven Bird. Golden-crowned Thrush. Adult male 



Black-throated Green Warbler 



Black and Yellow Warbler. Immature bird in autumn 



Black and Yellow or Magnolia Warbler 



Black-throated Blue Warbler 



Cape MVTay Warbler. Female in autumn . 



Tennessee Warbler ..... 



Nashville Warbler 



Blue-winged Yellow Warbler 

 Blue-winged Yellow Warbler's Nest and Eggs 

 Worm-eating Warbler .... 

 Black and White Warbler. Adult male 



Solitary Vireo 



Yellow-throated Vireo .... 



88 



89 



94 

 96 



97 



98 



100 



lOI 



102 

 103 



105 

 107 

 109 



1 ID 

 III 



114 



119 

 121 

 124 



127 

 129 



133 

 134 

 135 

 138 

 140 

 142 

 144 



