114 Bird- Lore Number of birds seen from 9.15 to 9.30 9.30 to 9.45 9.45 to 10.00 10.00 to 10.15 10.15 to 10.30 10.30 to 10.45 10.45 to 11.00 11.00 to II. 15 II. 15 to 11.30 11.30 to 11.45 11.45 to 12.00 9 10 8 10 6 4 7 Second hour 4^ Third hour 27 Fourth period 10 Total number seen from 8.15 to 12.00 iii DIRECTIONS OF FLIGHT Number of birds traveling northeast 74 north-northeast 13 east-northeast 11 north-northwest 5 " " " " north 4 " " " " northwest 3 " " " " southeast i SPEED Number of birds traveling very rapidly 75 moderately . . 22 slowly 12 very slowly . , 2 RELATIVE SIZES OF BIRDS Small (Goldfinch) 66 Medium (Robin) 27 Large (Crow) 15 Very large 3 COURSES OF FLIGHT One hundred and eight birds kept their direct courses while passing over the field of vision. One bird came in moving southeast and curved back to northeast, changing its course about 45°. Two birds flew in a curve ; one changing its course from northeast to east, and one from northeast to north. IDENTIFICATIONS, ETC. No. 12 (original list) had the flight of a Hawk or Owl. No. 28 had the wings spread like a Hawk soaring. No. 31 wing motions were plainly seen, but no identification could be made on account of uncertain distance. No. 34 had wavy motion of flight like a Goldfinch. No. 46 passed slowly, the wings beat rapidly and the neck was seen stretched
