PLATE XVIII 



1 



Long-eared Owl. 

 Barn Owl. 

 Saw-whet Owl 



HEADS OF OWLS 

 Hawk Owl. 

 Great Horned Owl. 

 Snowy Owl. 

 Screech Owl. 



Short-eared Owl. 

 Barred Owl. 

 Richardson's Owl 



