246 THe Wirson BuLLetin—Nos. 76-77. 
Doubtless verbose accounts of the adventures of collectors 
are out of place in a paper of any scientific pretentions, but it 
seems almost a crime not to chronicle the accomplishments 
of some one of that nervy and self-reliant class known as field 
oologists. Calvin 1. Rawson, the famous “J. M. W..,” than 
whom there does not exist a more genial writer; says few 
sports are more dangerous, and no work more exhausting 
than long hard climbs to the nests of rapacious birds. 
I here record the species of trees used by the Broad-wing 
as nesting sites, according to their popularity :Castana dentata 
chestnut, Quercus sp. oak,Pinus sp. pine,betula lutea yellow, 
or gray birch,Acer saccherinim sugar, hard or rock maple, 
Fagus americana heech, Betula sp. birch, P. strobus white 
pine, Q. alba white oak, Q. velutina Q. rubra black oak, QO. 
prinus chestnut oak, Tilia americana American linden or bass- 
wood.7suga canadensis hemlock,Populus grandidentata pop- 
lar, Flickoria alba hickory, H. ovata shellbark, A. sacchdrinum 
white or soft maple, Q. maerocarpa burr oak, A. rubrum ted 
maple, Jfagnolia virginiana magnolia, B. lenta, B. niger black 
birch, B. populifolia white birch, Populus deltoides cottonwood, 
Fraxinus niger black or water ash, F. americanus white ash, 
Q. pelustris pin oak, Ulmus sp. elm, U. fulva red elm, Juglans 
wiger black walnut, J. cinerea white walnut, Picea sp. -spruce, 
Populus candicaus Balm of Gilead, P. pennsylvanicus wild 
cherry. 
Nidification. 
CONSTRUCTION AND ‘Composir1oN oF Nest—During the 
often protracted period of hesitation as to the availability of 
the various nesting sites, the former nests are visited and the 
birds are quite noisy, but soon after the site is selected by the 
female, silence is observed and hoth sexes assist at nest build- 
ing, gathering the dead sticks from the ground, carrying them 
to the tree in their talons. Chas. C. Richards saw a male with 
a piece of bark about 4 inches long in one set of claws, at 
right angles with his body, fly toward the nest from the south, 
while at about the same time the female appeared from the 
