. A history of North American birds [microform] : land birds. Birds; Ornithology; Oiseaux; Ornithologie. 2U6 NORTH AMEuiCAX BIltDS. liiiiiiff iR'ar tlio edpo; nndor surfaci? of ; I'imarics wliiti; finterior to tlicir eiiiarfrinntion, liiu'ly mottled with ashy, and with indistinct trunsvcrsi- hands ti'rniinally. Fourtli (iiiiil Ii)n},a'st; third shorter llian (iUli; sut'ond eijual to sixtli; first oiiuul to tentli. Wing, ; tail, i>.l(>; tarsus, ; niiddlo toe, This remarkable llawk is eertainly not to he referred to the li. boreulis, as has heen siin-iji.'sted, the proi)ort
. A history of North American birds [microform] : land birds. Birds; Ornithology; Oiseaux; Ornithologie. 2U6 NORTH AMEuiCAX BIltDS. liiiiiiff iR'ar tlio edpo; nndor surfaci? of ; I'imarics wliiti; finterior to tlicir eiiiarfrinntion, liiu'ly mottled with ashy, and with indistinct trunsvcrsi- hands ti'rniinally. Fourtli (iiiiil Ii)n},a'st; third shorter llian (iUli; sut'ond eijual to sixtli; first oiiuul to tentli. Wing, ; tail, i>.l(>; tarsus, ; niiddlo toe, This remarkable llawk is eertainly not to he referred to the li. boreulis, as has heen siin-iji.'sted, the proi)ortions ol' the two heinj,' (Hiite diU'erent, while there is no similarity of plumai^o. In phnnaife, liutet) fuojii'ri VL'ry closely resendiles the adnlt of Airhibiileo fer- ruijineun, and the sng^estion has huen made that it is a hybrid between this and the Ued- tail. The markiiiffs of the head, and the jteneral tint of the upper parts, are almost precisely as in the former bird, while the tail is exactly similar in character of markinf.'s, the only diflTerence beinjr ihe more reddish tinge and black subterniinal band, which are, in fact, the only characters ai)pro.\imating it to the Butm horcuUs. The feet are, however,. Buteo cooperi (adult). very much stronger than in the .1. ferrm/iiieiis. «hile the tarsus is very much longer than in , scarcely more so, however, than in the former. The black patch on the lining of the wing, however, is a feat>n-e shared by neither of these birds, being one entirely peculiar to the linteo rooperi. But one specimen â the one described above â is known to have been obtained. Mr. .T. X. Allen, in his â ' Notes on some of the Rarer Birds of Massachusetts" (.see '-American Naturalist," Vol. Ill, p. 518, and a separate paper, p. 14), mentions the capture of this species near Cambridge, Mass., but probably did not actually see it. The specimen in question being in the po.«.session of Mr. C. J. Maynard, he kindly sent it
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbirds, booksubjectorn
