232 THE AMERICAN MIDLAND. NATURALIST. 
was able to examine the bird closely, and think the identifi- 
cation reliable. 
108. Colaptus auratus luteus Bangs. Northern Flicker. 
The commonest woodpecker in the region. It arrives as 
early as March 4, while in 1915 we did not see any of the 
birds until April 8. The species seems to take kindly to suita- 
ble nestboxes where they are provided. I have been told of 
the birds nesting in a deep railway cut along the C. C. W. 
tracks in the east part of Charles City, but did not see the 
nest. ‘They occasionally attempt to place nests in the gables 
of barns if a foothold is afforded. I have observed two such 
cases. 
109. Antrostomus vociferus vociferus (Wils.) Whip-poor- 
will. A rare summer resident in the region. My only records 
are: August 21, 1916, one specimen north of Charles City; 
September 5, 1920, one (or two?) specimens in Brackett’s 
Woods. Webster, Waller, Mrs. M. A. Dutton, and others 
state that twenty years ago the species was quite common. 
110. Chordeiles virginianus virginianus (Gmel.) Night- 
hawk. This species makes up in numbers what the Whip- 
poor-will lacks, being very common. It arrives about May 
15, and nests early in June. In the early evenings it is to 
be seen in considerable numbers both in the country and 
in the towns. On the evening of August 23, 1918, I counted 
sixteen of these birds in the air at one time near Rockford. 
111. Chaetura pelagica (Linn.) Chimney Swift. An 
abundant summer resident. The earliest arrivals are in mid- 
April, but the bulk of the migration arrives in the first week 
of May. They depart in the first two weeks of September. 
Mr. Webster states that he has found the birds nesting in 
hollow trees, but no such cases have come under my obser- 
vation. 
The autumn congregation begins in the second or third 
week of August. At that time great flocks may be found 
about various favorite chimneys in the towns, and small 
flocks at some farm-houses. A favorite resort of these birds 
at Charles City is the old main building of the one-time 
Charles City College. There are probably thousands of birds 
