7 66 



THE POPULAR SCIENCE MONTHLY. 



Fig. 4. 



Three swccessi ve flights o/pigreonJVo. 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 



