OCTOBER, 1902. 
THE MIGRATION OF BIBDS. 
221 
in 4.T — out 7.9 — Slow — Size i — Wing-strokes 
plain. 
in 0.0 — out 0.0 — No birds for 2 minutes, 
in 4.1 — out 8.8. 
in 4.3 — out 7.8 — Total 33. 
in 4.1 — out 2.1 — Swift — Out of focus, 
in 4.2 — out 7.8. 
in 4.0 — out 8.0. 
in 5.1 — out 8.9. 
in 0.0 — out 0.0 — Alissed direction. 
in 2.6 — out 1.2 ) 
in ^.^ — out 8.T f All 
• o ^ o \ AH the same species. 
m 4.8 — out 8.3 ) ^ 
in 3.2 — out 2.6 ( 
in 4.0 — out 8.0 — Dove through the field. 
3-5— o^^t 8.9. 
in 3.3 — out 2.1. 
in 2.1 — out 1.2. 
in 4.0 — out 7.4. 
in 5.0 — out 6.9. 
in 5.0 — out 7.2. 
in 4.3 — out 8.2. 
in 4.9 — out 7.7. 
in 3.3 — out i.o. 
in 3.6 — out 8.2. 
in 4.0 — out 7.1. 
in 0.0 — out 0.0 — No birds for 2 minutes, 
in 3.4 — out 8.6. 
in 3.7 — out 8.2 — Total 27. 
11:45 to 12:00 — in 4.2 — out 7.5 — Fast. 
in 0.0 — out 0.0 — No birds for 21-2 minutes. 
in 4.2 — out 7.4. 
in 3.8 — out 7.8. 
in 4.0 — out 7.1 — Swift — Size 3-|-. 
in 4.0 — out 6.5 — Same species as preceding. 
in 3.2 — out 7.2. 
in 4.2 — out 6.8 — Swift — Size 3-|-. 
in 3.8 — out 7.2. 
11:30 to 11:45 — "1 4-8 — out 8.2. 
These two passed close to one 
another. 
in 5.8 — out I.I. 
