OLIVE-SIDED FLYCATCHER, OR ‘PE-PE.’ 283 
blowsy cap, and kept up a whistling, oft repeated, whining 
call of \ pit ’pit, then varied to ’pit ’pip, and 9 pip pit , also 
at times ’ pip ’pip ’pu, ’pip ’pip ’pip , ’pu ’pu pip, or ’tii’tiz 
’til, and ’tu ’tit. This shrill, pensive, and quick whistle 
sometimes dropped almost to a whisper, or merely ’pu: 
The tone was in fact much like that of the ’phii ’phii ’phiz 
of the Fish Hawk. The male, however, besides this note, 
at long intervals, had a call of ’eh’phebee, or ’h’phebed, 
almost exactly in the tone of the circular tin whistle, or 
bird-call, being loud, shrill, and guttural at the commence- 
ment. The nest of this pair I at length discovered, in the 
horizontal branch of a tall red cedar 40 or 50 feet from 
the ground. It was formed much in the manner of the 
King-bird, externally made of interlaced dead twigs of 
the cedar, internally of the wiry stolons of the common 
cinquefoil, dry grass, and some fragments of branching 
Lichen or Usnea. It contained 3 young, and had prob- 
ably 4 eggs. The eggs had been hatched about the 20th 
of June, so that the pair had arrived in this vicinity about 
the close of May. 
The young remained in the nest no less than 23 
days, and were fed from the first on beetles and per- 
fect insects, which appeared to have been wholly digest- 
ed without any regurgitation. Towards the close of this 
protracted period the young could fly with all the celerity 
of the parents ; and they probably went to and from the 
nest repeatedly before abandoning it. The male was at 
this time extremely watchful, and frequently followed me 
from his usual residence, after my paying him a visit, near- 
ly half a mile. These birds, which I watched on several 
successive days, were no way timid, and allowed me for 
some time, previous to visiting their nest, to investigate 
them and the premises they had chosen, without showing 
any sign of alarm, or particular observation. 
