182 
BIRDS OF COLORADO. 
CLASSIFICATION OF COLORADO BIRDS. 
Changes to be made, including those already made on page 
128 and pages 148 - 150 . 
Page 8. I. Residents: Add 
Callipepla squamata. 
, Tympanuchus americanus. 
Phasianus turquatus. 
Falco sparverius deserticolus. 
Syrnium nebulosum. 
Coccothraustes vespertinus montanus. 
Page 9 . 2. Winter visitants. .Omit 
Coccothraustes vespertinus montanus. 
Page 10 . 4. Species that have been taken in Colorado in 
winter, either as rare or accidental visitors. Add 
Gavia arctica. 
Larus Philadelphia. 
Somateria dresseri. 
Nyctala tengmalmi richardsoni. 
Acanthis linaria rostrata. 
Junco montanus. 
Page 11. B. Species that breed on the plains, hut only to the foot¬ 
hills of the mountains. Add 
Philohela minor. 
Calli[>epla squamata. 
Tympanuchus americanus. 
6 
