OCTOBER, 1902. 
THE MIGRATION OF BIRDS. 
249 
n 
4.6- 
-Ollt 
3-I- 
— Slow. 
Size 2. 
Wing-strokes 
seen 
n 
4.4- 
-out 
Slow. Size I. Out of focus. 
11 
-^.o — out 
Slow. ? 
ize I. Out of focus. 
j'j^ 
2-5- 
-out 
1 c 
4- J 
— Verv 
fast. Size i. Out of 
focus. 
n 
2.2 — 
-out 
4.8 
— Fast. 
Size I. 
Out 01 lOCUS. 
n 
0 1-7 
2.7— 
-out 
4.1. 
—Fast. 
Size 2- 
11 
2.9— 
-out 
4-3 
— Fast. 
Size 2- 
i otai 0. 
11 
2.D — 
-out 
J-3- 
—Fast. 
Size I. 
Out of focus. 
11 
3-5- 
-out 
1-3 
—Fast. 
Size 2. 
seen. 
11 
3-1- 
-out 
3.9 — Fast. 
Size 2. 
Out nf fnru^ 
11 
2.2 — 
—out 
4.3 
— Fast. 
Size 2- 
11 
1.9- 
-out 
4.8 
—Fast. 
Size 2- 
11 
2.7- 
-out 
4.8. 
—Fast. 
Size 2. 
Out of focus. 
11 
3-5- 
-out 
I-3- 
—Fast. 
2-|-. 
n 
2.2— 
-out 
4-7 
—Fast. 
Size 2. 
Out of focus. 
11 
1.9- 
-out 
4.8 
—Fast. 
Size 2. 
11 
3-9- 
-out 
1-3 
— Fast. 
Size i-| 
-. Out of focus. 
n 
2.5- 
-out 
4-5 
— Fast. 
Size 2. 
Out of focus. 
11 
2.2— 
-out 
4-1 
—Fast. 
Size 2 
. Wing-strokes 
seen 
111 
2.3- 
-out 
1.2 
—Fast. 
Size 2. 
Total 13. 
Lake Forest. 111., May 14, 1900. 
Meteorological Data. 
Wind — Moderate Southwest. 
Temperature — W^arm. 
Atmosphere — Partly cloudy ; showed at midnight. 
Total number of birds observed from 9 130 P. to 10.55 
p. M.— 61. 
9:30 to 10:00 — in 3.6 — out 2.9. — Fast. Size 2. Wing-strokes 
seen. 
in 4.6 — out 3.6. — Fast. Size 2. Out of focus, 
in 3.3 — out 4.4. — Fast. Size 2. Out of focus, 
in 3.9 — out 2.1. — Fast. Size 2-|-. Wing-strokes 
seen. 
in 3.9 — out 2.8. — Size i. Out of focus; like a 
shot. 
in 4.6 — out 2.7. — Fast. Size 'i-l-. 
in 4.9 — out 1.7. — Fast. Size 2. 
