TABLE OF CONTENTS. 
Page 
FAMILY I. VULTURINiE. VULTURINE BIRDS. . 1 
Genus 1. Cathartes. Turkey- Vulture, . . 1 
II. FALCONINiE. FALCONINE BIRDS. . . 3 
1. POLYBORUS. CaRACARA, " . . . 4 
2. Buteo. Buzzard, . . . .6 
3. Aquila. Eagle, ... 8 
4. Haliaetus. Sea-Eagle, . . .9 
6. Pandion. Osprey, . • . . 11 
6. Ei^nus. Elanus, . . . .12 
7. IcTINlA. IcTINIA, ... 13 
8. Nauclerus. Swallow-tailed Hawk, . . 14 
9. Falco. Falcon, ... 15 
10. Astur. Hawk, . . . .17 
11. Circus. Harrier, ... 19 
III. STRlGINiE. OWLS, ... 20 
1. SuRNiA. Day-Owl, . . .21 
2. Ulula. Night-Owl, . • 4 • 23 
3. Strix. Screech-Owl, . ^ .24 
4. Syrnium. Hooting-Owl, . . 26 
6. Otus. Eared-Owl, . . .27 
6. Bubo. Horned-Owl, ... 29 
lY. CAPRIMULGINiE. GOATSUCKERS, . . 30 
1. Caprimulgus. Goatsucker, . . 31 
2. Chordeiles. Night-Hawk, . . .32 
V. CYPSELINiE. SWIFTS, . . . 33 
1. ChjEtura. Spine-Tail, . . 33 
VI. HIRUNDIN^. SWALLOWS, . . .34 
1. Hirundo. Swallow, ... 34 
