RAPTORES. FALCO. 



FALCON. 



are united under one head, it is probable that, when more 

 thoroughly known, from having been subjected to analysis, 

 it may be found necessary to subdivide the genus, which, 

 indeed, in the case of the smaller American Falcons, has al- 

 ready been done by the Prince of Musignano, he having 

 characterized these latter as a disinct group, with " wings 

 shorter than the tail, and scutellated tarsi ;" which last cha- 

 racter, however, as Mr Swainson has properly observed, is 

 only partially correct. 



JER-FALCON. 



FALCO ISLANDICUS^ Lath* 

 PLATE XIV. 



Syn. of Adult. 



Syn. of Im- 

 mature Birds. 



Faucon Gerfaut, Temm. Man. d'Ornith. 1. p. 17- 



Falco Islandicus candicans, Lath. Ind. Ornith. 1. p. 32. 69. Gmel. Syst. 



1. p. 275. sp. 101 Meyer, Tasschenb. Deut. 1. sp. 65. 

 Falco Rusticolus, Gmel. Syst. 1. p. 268. sp. 7. Lath. Ind. Ornith. v. 1. 



p. 28. 60. 



Gerfaut de Norve'ge, Buff. Ois. 1. p. 239. Id. PI. Enl. 462. 

 White Jer-Falcon, Lath. Syn. 1. p. 83 and 84 Id. Supp. p. 21 Br. Zool. 



1. No. 47. t. 19 Arct. Zool. 2. p. 221. E Lewirfs Br. Birds, 1. t. 26. 



Gyrfalco candicans, Flem. Br. Anim. 1, 51. No. 14. 



Falco Gyrfalco, Lath. Ind. Ornith. 1. 32. 68. Linn. Syst. 1. p. 130 



Gmel. Syst. 1. p. 275. sp. 27. 

 Gyrfalco Islandicus, Briss. 1. p. 373. A. t. 31 Id. 8vo. p. 108 Mutter, 



No. 73. 



Falco sacer, Gmel. p. 273. sp. 93. 



Le Gerfaut, Buff. Ois. 1. p. 239. t. 13 Id. PL Enl. 210 and 446. 

 Le Sacre, Buff. Ois. 1. 246. t. 14. 



Iceland Falcon, Arct. Zool. 2. p. 216. Lath. Syn. 1. 71. 5. B. 

 Jer-Falcon, Mont. Ornith. Diet Id. Supp Bewick's Br. Birds, 1. p. 29. 



Low's Fauna Oread, p. 35. 



Brown Jer-Falcon, Lath. Syn. 1. p. 82. 

 Greenland Falcon, Arct. Zool. 2. p. 220. 



THIS is one of the most powerful, and at the same time 

 one of the boldest of the whole genus. 



As such, it was held in high estimation by the followers 

 of that princely, but now neglected pastime we have before 

 mentioned, and was used for flying at what were deemed the 



