818 TRANSACTIONS OF THE [1895 
Contopus virens (461). Wood Pewee. 
Common summer resident ; first noted on April 25 (85, Res- 
ler), when one was taken, and numerous on May 8 (94). A 
number were noted October 15 (’93), and two days later (’83, 
Resler) one was taken. Nesting dates range from June 8 (’92, 
Blogg), a set of fresh eggs to September 12 (’92, Wholey) 
young birds not able to fly far. Sets are 1 of 1,5 of 2, and 7 
of 3. 
Empidonax flaviventris (463). Yellow-bellied Flycatcher. 
Migrant, not common. Spring notes are few. On May 14 
(93), a male was taken and 4 days later another, 3 days after 
which 5 were seen (Wholey). On May 16 (’83), and 19 (793), 
single birds were taken, (Resler). During fall they are fre- 
quently recorded between August 31 (93, Gray) and October 6 
(94). : 
At Washington, a “spring and fall migrant arrives first week 
in May and we have seen it in the fall until the third week in 
September. One shot July 28,” (A. C., 78) “migrant during 
whole of May, and August and September” (Richmond). 
“Tolerably common migrant near Washington, generally in the 
scrub pines” (Dr. A. K. Fisher, Birds Vas., 67). This last 
observation may account for its not being more frequently noted 
near Baltimore, as but a small percentage of our local observa- 
tions have been made among the pines. 
Empidonax virescens (465), Acadian Flycatcher. 
First noted on April 30 (93, Wholey), and common from 
May 11 (’94,) to August 24 (’94 and ’95,) the last was recorded 
on September 11 (94), On May 381 (’91,) a nest was ready for 
eggs and on July 30 (’93, Fisher), one contained eggs ready to 
hatch. Sets are 28 of 3, and 1 of 4. 
Empidonax traillii alnorum (6222). Traill’s Flycatcher. 
Rare migrant. On May 5, ’93 (Resler), one was taken at Back 
River, and on May 11, ’93, (Wholey) another at Waverly. “One 
