. 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 .. . the claws are commonly worn at the point. The tarsushas a single long plate and three inferior scutella in front,the first toe eight, the second nine, the third twelve, the fourthnine scutella. The oesophagus is of uniform diameter, verynarrow, two inches and three quarters in length, and having adiameter of two-twelfths. The belt of proventric
. 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 .. . the claws are commonly worn at the point. The tarsushas a single long plate and three inferior scutella in front,the first toe eight, the second nine, the third twelve, the fourthnine scutella. The oesophagus is of uniform diameter, verynarrow, two inches and three quarters in length, and having adiameter of two-twelfths. The belt of proventricular glands ishalf an inch long. The stomach is small, roundish, compress-ed, half an inch long, seven and a half twelfths in breadth,and four and a half twelfths in thickness ; its muscular coatthick, with the tendons large, being two and a half twelfths indiameter; the cuticular lining soft and rugous. The intestineis tw^elve inches long, its duodenal portion two twelfths and ahalf in diameter ; it then gradually diminishes to a twelfthand a half; the coeca are generally two twelfths long, but vary,and are often unequal; the rectum enlarges from the com-mencement, and the cloaca has a diameter of four twelfths anda half.—See PL XIII, Fig. The plumage is of ordinary length, rather compact, soft,slightly glossed, very short on the fore part of the wings when closed extend one-third down the tail, andwhen expanded are of a semi-ovate form, broad, rounded and 52 CINCLUS EUROP^US. concave, with nineteen quills. The first quill is very shortand narrow, the third longest, but the second and fourth arescarcely shorter; the other primaries are graduated; the third,fourth, and fifth, slightly cut out on the outer web. The quillsare all much decurved; the secondaries also slightly curvedinwards, and rounded. The tail is short, even, of twelve ratherbroad, abrupt, slightly rounded feathers, which are slightlycurved downwards, although the tail itself is generally held ina
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Keywords: ., bookcentury1800, bookidhistoryofbritish02macg, booksubjectbirdsg
