BULLETIN 17 9, UNITED STATES NATIONAL MUSEUM 



Order Passeriformes — -Continued. 



Family Tyrannidae — Continued. Page 



Myiarchus tyrannulus magister: Arizona crested flycatcher 123 



Habits 123 



Distribution 126 



Myiarchus tyrannulus nelsoni: Mexican crested flycatcher 127 



Habits 127 



Myiarchus cinerascens cinerascens: Ash-throated flycatcher 128 



Habits 128 



Distribution 135 



Myiarchus cinerascens pertinax: Lower California flycatcher . 136 



Habits. _. 136 



Myiarchus tuberculifer olivascens: Olivaceous flycatcher 137 



Habits 137 



Distribution 139 



Sayornis phoebe: Eastern phoebe 140 



Habits 140 



Distribution 153 



Sayornis nigricans nigricans: Black phoebe 154 



Habits 154 



Distribution 164 



Sayornis nigricans salictaria: San Quintin phoebe 165 



Habits 165 



Sayornis nigricans brunnescens: San Lucas phoebe 165 



Habits 165 



Sayornis saya saya: Say's phoebe 166 



Habits 166 



Distribution 172 



Sayornis saya quiescens: San Jose phoebe 173 



Habits 1 73 



Empidonax flaviventris: Yellow-bellied flycatcher 174 



Habits 174 



Distribution 182 



Empidonax virescens: Acadian flycatcher 183 



Habits 183 



Distribution 196 



Empidonax trailli brewsteri: Little flycatcher 197 



Habits 197 



Empidonax trailli trailli: Alder flycatcher 204 



Habits 204 



Distribution 211 



Empidonax minimus: Least flycatcher 213 



Habits 213 



Distribution 223 



Empidonax hammondi: Hammond's flycatcher 225 



Habits 225 



Distribution 232 



Empidonax wrighti: Wright's flycatcher 233 



Habits 233 



Distribution 240 



Empidonax griseus: Gray flycatcher 241 



Habits 241 



Distribution 245 



