. 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 .. . mach very large, round, slightly compress-ed, its muscular coat very thin, and composed of a singleseries of fasciculi. Intestine short and rather wide ; pyloruswith three knobs, duodenum forming a loop in the usual man-ner ; no coeca ; rectum short, with a large globular dilatation. Head rather large, roundish, flattened above. Eyes large ;nos


. 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 .. . mach very large, round, slightly compress-ed, its muscular coat very thin, and composed of a singleseries of fasciculi. Intestine short and rather wide ; pyloruswith three knobs, duodenum forming a loop in the usual man-ner ; no coeca ; rectum short, with a large globular dilatation. Head rather large, roundish, flattened above. Eyes large ;nostrils round, with a central papilla ; aperture of ear roundishand rather large. Neck short, body compact. Feet short;tarsus very short, robust, covered all round with scales; toesof moderate size, scutellate above, covered beneath with pro-minent pointed papillae. Claws rather long, well curved,slender, acuminate. Plumage blended, glossy, on the back and wings rather com-pact. Wings extremely elongated, rather narrow, and pointed ;the third quill longest; the secondaries short and extremely long, very deeply forked, of twelve feathers. 277 NAUCLERUS FURCATUS. THE WHITE-HEADEDSWALLOW-KITE. SWALLOW-TAILED HAWK. SWALLOW-TAILED KITE. J:. Falco furoatus. Linn. Syst. Nat. I, 129. Falco furcatus. Lath. Ind. Orn. I. 60. Swallow-tailed Elanus. Elanus furcatus. Selb. Illustr. T. 17. Milvus furcatus. Jen. Brit. Vert. An. 86. Swallow-tailed Hawk. Falco furcatus. Aud. Oru. Biogr. L 368 ; V. 371. Nauclerus furcatus. Audub. Synops. 14. Head, neck^ and lower yarts white ; back, tiings, and tail black. Male.—This beautiful bird is at once distinguished from allthe British falconine species by its very long and deeply forkedtail, as well as by its peculiar colouring. It agrees in everyrespect with the generic character, it being in fact the onlyspecies of its genus known to me. The oesophagus of an indi-vidual which I examined for INIr Audubon measured five in-ches and a half in l


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Keywords: ., bookcentury1800, bookidhistoryofbr, booksubjectbirdsgreatbritain