. 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 .. . Goatsucker. the Hawks, the coeca are reduced to the minimum size; in theOwls they are very large, oblong, and narrowed at the base ;while in the Kingsfishers they are entirely wanting. In the Cuckoos, Fig. .99, the oesophagus is somewhat fun-nel-shaped, as in the Kingsfishers, and still more so in theGoatsuckers, Fig. 100. In these birds the st
. 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 .. . Goatsucker. the Hawks, the coeca are reduced to the minimum size; in theOwls they are very large, oblong, and narrowed at the base ;while in the Kingsfishers they are entirely wanting. In the Cuckoos, Fig. .99, the oesophagus is somewhat fun-nel-shaped, as in the Kingsfishers, and still more so in theGoatsuckers, Fig. 100. In these birds the stomach however isconsiderably more muscular, especially in the latter, and itsinner coat is a distinct cuticular lining, often soft in the Cuc-koos, but in the Goatsuckers dense or horny and longitudinallyrugous. In both families the intestine is short and wide; inboth the coeca are large, as in the Owls ; and the cloaca glo-bular. In the Jays, Fig. 101, and in the Crows and Starlings, MODIFICATIONS OF THE DIGESTIVE ORGANS. 5 the oesophagus, although funnel-shaped is narrow; the sto-mach muscular, its external fibres being arranged into severalseries, and forming three muscles, two lateral, and an inferior,
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Keywords: ., bookcentury1800, bookidhistoryofbritish02macg, booksubjectbirdsg
