< Page:Popular Science Monthly Volume 44.djvu
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THE POPULAR SCIENCE MONTHLY.
Fig. 3.
Three successive flights of pigeon No. 2.
First flight, May 29.
_._._._._ Second"June 5.
. . . . . . . . Third"June 21.
the country. About fifty such, tracings were taken, of which a few of the more instructive are reproduced below.
A few days of freedom were allowed, in order that the birds might more exactly locate their loft; then all were again confined
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