o G s ' 
Contents of Volume II 
Z^Zl 
I a ^3 
PAGE 
List of Full-page Plates . xi 
Description of Species Nos. 103—201 
Family Hirundinidcz —(Continued) 
103 The Cliff Swallows, Petrochel-idon albifrons . 523 
104 The Rough-winged Swallow, Stelgidopteryx serripennis . 529 
105 The Bank Swallow, Riparia riparia . 533 
106 The Barn Swallow, Hirundo rnstica erythrogaster . 536 
107 The Tree Swallow, Iridoprocne bicolor . 539 
108 The Northern Violet-green Swallow, Tachycineta thalassina 
lepida . 543 
Family A mpelidce —Waxwings. 
109 The Bohemian Waxwing, Bombycilla garrula pallidiceps . 546 
no The Cedar Waxwing, Bombycilla cedrorum . 550 
Family Ptilogonatidce —Silky Flycatchers. 
in The Phainopepla, Phainopepla nitens . 554 
Family Vireonidae —Vireos. 
112 The Red-eyed Vireo, Vireosylva olivacea . 563 
113 The Yellow-green Vireo, Vireosylva flavoviridis . 565 
114 The Western Warbling Vireo, Vireosylva gilva swainsoni . 566 
115 The Solitary Vireos , Lanivireo solitarius . 570 
116 The Hutton Vireo, Vireo huttoni huttoni . 576 
117 The Gray Vireo, Vireo vicinior . 583 
118 The Least Vireos, Vireo belli . 586 
Family Laniidce —Shrikes. 
119 The Northwestern Shrike, Lanins borealis invictus . 589 
120 The White-rumped Shrikes, Lanins ludovicianus . 591 
Family Paridce —Titmice. 
121 The Plain Titmice, Bceolophus inornatus . 601 
122 The Oregon Chickadee, Penthestes atricapillus occidentalis. . . . 607 
123 The Mountain Chickadees, Penthestes gambeli . 611 
vii 
