. A history of British birds, indigenous and migratory: including their organization, habits, and relations; remarks on classification and nomenclature; an account of the principal organs of birds, and observations relative to practical ornithology .. . rthat I have examined, the light bands on the tail-feathers werefewer, being five on the middle, and eight on the lateral I know very few instances of so perfect a mutual resem-blance in two species ; and it is therefore not altogether im-probable that Falco columbarius may exist in Britain, as theonly other two North American Falc
. A history of British birds, indigenous and migratory: including their organization, habits, and relations; remarks on classification and nomenclature; an account of the principal organs of birds, and observations relative to practical ornithology .. . rthat I have examined, the light bands on the tail-feathers werefewer, being five on the middle, and eight on the lateral I know very few instances of so perfect a mutual resem-blance in two species ; and it is therefore not altogether im-probable that Falco columbarius may exist in Britain, as theonly other two North American Falcons occur there. In a work on the Rapacious Birds of this country which Ipublished some years ago, I remarked that I had not met withindividuals of different sexes that varied much in size; buthaving since then examined a great number of individuals, Iam now of opinion that the male is generally much smallerthan the female. The smallest male which I have seen mea-sured eleven and a quarter inches in length, and the largestfemale thirteen and three quarters; but in actual bulk theirdifference was very great. 325 FALCO TINNUNCULUS. THE KESTREL. KESTRIL, KASTRIL, KISTRIL. WINDHOVER. STONEGALL, STEINGALL,STANNEL. KEELIE. SPARROW HAWK. CLAMHAN Fro. 227. Falco Tinnunculus. Linn. Syst. Nat. I. 127. Faico Tinnunculus. Lath. Ind. Orn. I. 41. Kestrel. Mont. Ora. Diet. Faucon Cresserelle. Falco Tinnunculus. Temm. Man. dOrn. I. 29. Kestrel. Falco Tinnunculus. Selb. lllustr. I. 47. Falco Tinnunculus. Kestrel. Jen. Brit. Vert. An. 84. T/ie uings ivhen closed about two inches shorter than the icith the head, hind-neck, rump, and tail light greyish-blue, the latter icith a broad subterminal black bar ; the backand icing-coverts pale-red, with oblong or triangular dark spots;the loioer parts light yellowish-7ed, icith longitudinal linear andguttiform spots. Female with all the tipper parts light-red, icithtransverse spots and bars of dark-brown, the loicer parts paler,icith ob
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