Memoir 12. N. Y. State Museum 



Mttil U>iilhti» — 



BIRDS OF NEW YOR 



K 



^«i^t_ 



. GYRFALCON 

 J<aleo vusticolus gyrfalco Linnaeus 



P^HITE GYRFALCON 

 taLco islandus Brunnich 



^'"AU^ nir«'ih?°'' ^'^"' '■^^Ucolus obsoletus Gmelin 



