OCTOBER, 1902. 
THE MIGRATION OF BIRDS, 
229 
9:00 to 
9:15 — in 8.2 — out 
in 7.0 — out 
in 7.5 — out 
in 7.0 — out 
in i.o — out 
in 8.2 — out 
2.6. 
3.0. 
3.0. 
3.0. 
5.0. 
4.0 — Total 6. 
9:30 to 
9:45— in 8.5— out 
2.4. 
4.0. 
3-5- 
2.7. 
in 7.5 — out 
in 6.5 — out 
in 6.5 — out 
in 6.0 — out 
5.0— Total 5. 
Madison, Wis., Apr. 27, 1901. 
Meteorological Data. 
Wind — South. 
Temperature — 62. 8°. 
Atmosphere — Clear. 
Total number of birds observed from 9 145 P. M. to 11 :oo 
9:45 to 10:00 — in 0.0 — out 0.0 — Total o. 
10:00 to 10:15 — in 3.8 — out 6.7 — Total i. 
10:15 to 10:30 — in 0.0 — out 0.0 — Total o. 
10:30 to 10:45 — in 0.0 — out 0.0 — Total o. 
10:45 to 11:00 — in 2.3 — out 5.7 — Fast — Size i. 
in 2.7 — out 6.0 — Size i-|-. 
in 2.0 — out 5.5 — Fast — Size i — Total 3. 
11:00 to 11:15 — in 1.9 — out 6.2. 
in 2.4 — out 6.3 — Size 3 — Total 2. 
Meteorological Data. 
Wind — Southwest. 
Temperature — 72. 4°. 
Atmosphere — Clear. 
Total number of birds observed from 10:00 P. M. to 11:15 
P. M.— 3. 
10:00 to 10:15 — in 7.4 — out 4.8 — Total i. 
10:15 to 10:30 — in 0.0 — out 0.0 — No observations made. 
10:30 to 10:45 — 5-9 — 1.9 — Out of focus — Total i. 
10:45 to 11:00 — in 7.9 — out 3.5 — Total i. 
II :oo to 1 1 : 1 5 — in 0.0 — out 0.0 — Total o. 
P. M.— 6. 
Madison, Wis., May i, 1901. 
