Page:Popular Science Monthly Volume 44.djvu/784

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766
THE POPULAR SCIENCE MONTHLY.
PSM V44 D784 Three successive flights of pigeon no 5.jpg
Fig. 4.
Three successive flights of pigeon No. 5.

———— First flight, May 29.
_._._._._ Second"" 30.

. . . . . . . . . Third"June 5.

red barn at d, and goes to inspect it. Failing to find anything here, he must look farther. He has just come from the west. To the south and east are nothing but lake and woods again. To the north lies the densely settled portion of Madison. Possibly