OCTOBER, 1902. 
THE MIGRATION OF BIRDS. 
217 
in 5.0 — out i.o — Total 3. 
10 :45 to 1 1 :oo — in 0.0 — out 0.0 — Total o. 
1 1 :oo to II :25 — in 0.0 — out 0.0 — Total o. 
11:25 to 11:50 — in 4.6 — out 2.4 — Total i. 
Madison, Wis., Sept. 25, 1898. 
Meteorological Data. 
Wind — South, velocity 8. 
Temperature — 63. 6°. 
Atmosphere — Clear. 
Total number of birds observed from 6:45 P. M. to 8:55 
P. M.— 2. 
6 :45 to 7 :oo — ^in 0.0 — out 0.0 — Total o. 
7:00 to 7:15 — in 0.0 — out 0.0 — Total o. 
7:15 to 7:30 — in 5.0 — out 1.0. 
in 7.3 — out 5.6 — Total 2. 
7 :30 to 7 :45 — in 0.0 — out 0.0 — Total o. 
7 :45 to 8 :oo — in 0.0 — out 0.0 — Moon partly obscured by 
clouds — Total o. 
8:00 to 8:15 — in 0.0 — out 0.0 — Total o. 
8:15 to 8:30^ — in 0.0 — out 0.0 — Total o. 
8:30 to 8:45 — in 0.0 — out 0.0 — Total o. 
8:45 to 8:55 — in 0.0 — out 0.0 — Total o. 
Madison. Wis., Apr. 25, 1899. 
Meteorological Data. 
Wind — North northwest to southeast. 
Temperature — 66. 8°. 
Atmosphere — Clear. 
Total number of birds observed from 8:37 P. AI. to 11:30 
P. M.— 7. 
8 :37 to 8 :45 — in 3.8 — out 8.9 — 2 birds at high speed. 
in 4.1 — out 8.5. 
in 3.9 — out 8.5 — Curved below center — Total 
4. 
8:45 to 9:00 — in 0.0 — out 0.0 — Total o. 
9:00 to 9:15 — in 0.0 — out 0.0 — Total o. 
9:15 to 9:30 — in 4.2 — out 7.8. 
in 2.0 — out 5.0 — Slow — Wing-beats slow — To- 
tal 2. 
9:30 to 9:45 — in 0.0 — out 0.0 — Total o. 
9:45 to 10:00 — in 0.0 — out 0.0 — Total o. 
