ILLUSTRATIONS. 



Pago. 



Plato 1. Swallow-tailed Kite {Elanoides forficatus) 20 



2. Mississippi Kite (Ictinia mississippiensis) 24 



3. Marsh Hawk {Circus hudsonius) 26 



4. Sharp-shinned Hawk (Accipiter velox) 32 



5. Cooper's Hawk (Accipiter cooperi) 38 



6. Goshawk (Accipiter atrioapillus) 43 



7. Eod-tailed Hawk (Buteo borealis) 48 



8. Red-shouldered Hawk (Buteo lineatus) 62 



0. Swaiiison'a Hawk (Buteo stoaimoni) 72 



10. Broad- winged Hawk (Buteo latisaimns) 79 



11. Eough-legged Hawk (Archibuteo I. saiicti-johannis) 86 



12. Ferruginous Rough-leg (Archibuteo ferrugineus) 91 



13. Golden Eagle (Aquila ahrysaetos) 93 



14. Bald Eaigle (Raliceetus leucocephalus) 97 



15. Duck Hawk (Falco peregrinus anatum) ; 106 



16. Pigeon Hawk (Falco columbarius) 109 



17. Sparrow Hawk (Falco sparverius) 115 



18. Osprey (Pandion haliaetus carolinensls) 130 



19. BaxQ Owl (Strix pratincola) .- 132 



20. Long-eared Owl (Asio wilsonianus) 140 



21. Short-eared Owl (Asio accipitrinus) 145 



22. Barred Owl (Syrnium nebulosivm) 150 



23. Screech Owl (Megascops asio) 163 



24. Great Homed Owl (Bubo Virginian us) 174 



25. BuTTowing Owl (Speotyto cunicularia hypogcea) 189 



26. D waif Soreoch wl (Megascops flammeolus idahoeiisis) 173 



7 



