FALCONIDiE — THE HAWKS — ARCHIBUTEO. 



485 



Archibuteo Sancti Johannis, G.melin. 



ST. JOHN'S BLACK HAWK. 



Falco Sandi-Johantu's, Gmelin, Syst. Nat. I. 1788, 273. — Archibuteo Sniicli-Johannls, Gray, 

 Gen. Birds, Vol. I.— C.vssin, P. R. Hep. Birds, IX. 33. — Blakiston, Ibis, III. 

 318 (eggs). 



Falco nlger, WiLSON, Am. Orn. VI. 1812, 82; pi. 53, f. 1, 2. 



Buleo lagopus, Audubon, Birds Amer. pi. 422, and 166 (young?). — Nuttall, Man. I. 99 

 (in part), and of some other authors, who consider it the adult plumage of that species. 



Sr. Cii.\R. Entire pUiniage glossy black, ol'tfu with a brown tinge ; forehead, thnjat, 

 and large partly concealed spot on occiput, white. Tail with one transverse band of 

 white, and irregular markings of the same towards the base. QuiUs with their inner webs 



A. Sancti-Johaanis. 



white, conspicuous from below. Head sometimes more or less striped with yellowisli- 

 white and reddisli-yellow, and tail sometimes with several transverse bands of white more 

 or less irregular. 



Younfj, like that of A. Ini/opnn, but larger, and with more niunerous dark spots on the 

 under parts. 



Length, 20.00 to 24.00 ; wing, IG. 00 to 17.50; tail, 8.00 to 9.00. Bill blackish; iris, 

 cere, and feet, }ellow. 



Hab. Northern America ; south in winter. 



