BIRDS OF ONTARIO. 37 
——_ 
range in the Province. Arrives about the middle of May. departs 
about the end of August. 
Genus SAYORNIS. 
178. Phoebe. 
(Sayornis phcebe.) 
An abundant summer resident, breeding about farm buildings 
and bridges throughout its range in the Province. Arrives early in 
April, departs early in October. 
Genus CONTOPUS. 
Supcenus NUTTALLORNIS. 
179 Olive-Sided Flycatcher. 
(Contopus borealis.) 
A regular but uncommon visitor. I have found one or two each 
spring for several years, but have not seen it at any other season. 
Suscenus CONTOPUS. 
180. Wood Pewee. 
(Contopus virens.) 
Common summer resident, breeding in woods throughout its 
range in the Province. Arrives about the middle of May, departs 
about the middle of September. 
Genus EMPIDONAX. 
181, Yellow-bellied Flycatcher. 
(Empidonax flaviventris.) 
An uncommon visitor. I have seen a few each spring, but have 
never seen the species later than June. It probably breeds through- 
out its range in the Province. 
182. Traill’s Flycatcher. 
(Empidonax traillii.) 
A regular visitor, generally distributed, but never common, I 
have only found it in spring in Southern Ontario. 
Breeds in the interior. 
183. Least Flycatcher. 
(Empidonax minimus.) 
Common summer resident, breeding in orchards, shrubberies and 
woodlands throughout its range in the Province. 
Arrives about the middle of May, departs at the end of August. 
