iii 



PAGE 



B. Golden-crowned and Ruby-crowned Kinglets 269 



XLVIII. A. Wood Thrush 270 



B. Wilson's Thrush 270 



XLIX. A. Grey-cheeked and Olive-backed Thrushes 271 



B. Hermit Thrush 271 



L. A. American Robin 272 



B. Bluebird 272 



Figures 1 to 68. Illustrations to key 18 



