1 . 
4 -. 
PI. LIX. 
Fi£.l CIRCUS HUDSONIUS. 
MARSH HAWK. 
Fig. 2. BUTEO PENNSYLVANICUS. 
BROAD -WINGED HAWK.. 
Fi§.3. STRIX NEBULOSA. 
BARRED OWL. 
FigABUBOVIRGINIANUS. 
GREAT HORNED OWL. 
