^rQ [December, 



The Commite on Mr. Cassin's " Synopsis of the Falconidae, &c./' 

 reported in favc of publication in the Proceedings. 



Synopsis of the Scies of Falconid^ which inhabit America north of Mexico; 

 ' with descriptions of new syecies. 



By John Cassin. 



1. Subfamily FALCONIN.E. 



1. Genus Falco, Linn. > 



1. Falco anatu, Bonaparte. Corap. List., p. 4, (1838). Wilson. Am. Orn., 

 ix. pi. 76. Aud3. of Am., pi. 16. 



Hab. Easteri?Jorth America, Cuba. 



2. Falco nigricps, Cassin. Birds of California and Texas, i. p. 87, (1853). 

 Hab. WesterNorth America, Cbili. 



3. Falco polya-us, Cassin. Birds of California and Texas, i. p. 88, (1853.) 

 Hab. OregorCalifomia. 



2. Genus Hierofalco, Cuvier. 

 1. Hierofalco .cer, (Forster.) Aud. B. of Am., pi. 196. 



Falco sac-, Forster. Philos. Trans. London, LXII. p. 42J, (1772.) 

 " Falco iandicus," Aud. Orn. Biog., ii., p. 552. 

 Hab. Nor thcL, regions, Greenland, Labrador. 



1 3. Genus Hypotriorchis, Boie. 



1. Hypotriorcs columbarius, (Linn.) Wilson. Am. Orn., ii., pi. 15, fi 

 Aud. B. of Am.il. 75, 92. . ^^c.^nc^r^ 



Falco colnbarius, Linn. Syst. Nat., i.,p. 128, (17b0). 

 Hab. Throu^out North America. 



4. Genus Tinnunctjlxjs. 



1. Tinnunculi sparverius, (Linn.) 



Falco spsverius, Linn. Syst. Nat., i., p. 128, (1766). 

 Hab. The eire continent of America. 



n. Subfamily ACCIPITRIN^. 

 1. Genus Astur, Laceped* 



1. Astur atri<pillus, (Wilson.) Wilson Am. 



B. of Am., pi. .1. 



Falco atrapillus, Wilson. Am. Orn., 

 Hab. Norths and Eastern North Amejj-^ 



2. Genus 



1. Accipiter^ooperii, (Bona 

 of Am., pi. 36,41. 

 Falco Coieri 

 Hab. 



