The Faculties of Birds

adapted Aldrovand Anat animals appear beak bill birds of prey Blumenbach body bones Buffon bustard cage cardiac cavity cassowary chaffinch circumstance Cochlea Colonel Montagu Comp contrivance cormorant covered crow digastric muscle digestive discover distance ducks eagle experiments fact faculty falcon feathers feed feet fish flesh flight fowls gannet gastric glands gizzard goose grain granivorous ground gullet habits hare Hist insects instance instinct larvæ legs less living mandible manner membrane migration Montbeillard motion mouth naturalists nature nerves nest never observed Oiseaux opened opinion organ Ornith ostrich owls papillæ pass peculiar pelican pigeon portion quadrupeds reason remarkable rendered rooks says seems seen sight similar singular Sir Everard Home smell solvent glands Spallanzani species stomach structure substances surface swallows teeth Temminck tion toes tongue torpid trituration tubes walk whole wings winter young