OCTOBER, 1902. 
THE MIGRATION OF BIRDS. 
215 
in 6.3— out 4.5. 
in 6.5 — out 4.8 — Total 8. 
11:15 to 11:30 — in 7.1 — out 3.2 — Total i. 
11:30 to 11:45— in 7-3— o^^t 3.4. 
in 6.3 — out 3.2. 
in 6.7 — out 3.8. 
in 8.3 — out 2.4. 
in 6.4 — out 4.2. 
in 7.3 — out 3.0. 
in 6.4 — out 3.7. 
in 6.5 — out 2.5. 
in 6.8 — out 3.9. 
in 7.3— out 3.4. 
in 6.1 — out 3.3. 
in 6.3 — out 4.5 — Total 12. 
11:45 tc> 12:00 — in 5.5 — out 3.1. 
in 5.9 — out 2.1. 
in 6.5— out 3.5. 
in 6.9 — out 3.2. 
in 5.4~out 3.1. 
in 5.0 — out 2.3 — Total 6. 
12:00 to 12:15 — in 6.7 — out 1.2. 
in 6.5 — out 2.3. 
in 6.4 — out 4.1 — Total 3. 
12:15 to 12:30 — in 6.4 — out 3.2. 
in 5.4— out 3.2. 
in 5.5 — out 2.5 — Total 3. 
Madison, Wis., Sept. 24, 1898. 
Meteorological Data. 
Wind — West to southwest, velocity 4. 
Temperature — 63. 3°. 
xA^tmosphere — Cloudy to clear. 
Total number of birds observed from 7:15 P. M, to 11:^0 
P. M.— 46. 
7:15 to 7:30 — in 6.3 — out 3.6 — Total i. 
7:30 to 7:45 — in 4.2 — out 2.1. 
in 3.5 — out 2.6. 
in 5.9 — out 7.9. 
in 5.5— out 8.3. 
in 5.8 — out 3.9. 
