GYR-FALCON. 3 
RAPTORES. FALCONID As. 
THE GYR-FALCON. 
Falco gyrfateo. 
Faleo Islandicus, Gyrfalcon, Pernn. Brit. Zool. vol. 1. p. 217. 
Hs A Jerfalcon, Monr. Ornith. Dict. 
» Gyrfalco, 5 Bewick, Brit. Birds, vol. i. p. 15. 
Gyrfalco candicans, - FLEM. Brit. An. p. 51. 
Faleo Islandicus, = Setsy, Brit. Ornith. vol. i. p. 36. 
a Bs 5 Jenyns, Brit. Vert. p. 81. 
56 -. Faucon Gerfaut, Tem. Man. d’Ornith. vol. i. p. 17. 
Fatco. Generic Characters Beak short, curved from its base; on each 
cutting edge of the upper mandible a strong projecting tooth. Legs robust ; 
tarsi short ; toes long, strong, armed with curved and sharp claws. Wings long 
and pointed ; the first and third quill-feathers of equal length, the second quill- 
feather the longest. 
