Ornis

or′nis, n. the birds collectively of a region, its avifauna.— adj. Ornith′ic .— ns. Ornithich′nite ( geol. ), the footmark of a bird found impre ed on sandstone, .; Ornithodel′phi a , the lowest of the three sub-cla es of mammals, same as Monotremata —from the ornithic character of the urogenital organs.— adjs. Ornithodel′phi an (also n. ), Ornithodel′phic , Ornithodel′pho us ; Or′nithoid , somewhat ornithic.— ns. Ornith′olite ( geol. ), the fo il remains of a bird: a stone occurring of various colours and forms bearing the figures of birds.— adj. Ornitholog′ical , pertaining to ornithology.— adv. Ornitholog′ically .— ns. Ornithol′ogist , one versed in ornithology, or who makes a special study of birds; Ornithol′ogy , the science and study of birds; Or′nithomancy , divination by means of birds, by observing their flight, .— adjs. Ornithoman′tic ; Ornithoph′ilous , bird-fertilised; Or′nithopod , Ornithop′odous , having feet like a bird.— ns. Ornithorhyn′chus , an animal in Australia, with a body like an otter and a snout like the bill of a duck, also called Duck-bill ; Ornithos′copy , observation of birds or of their habits; Ornithot′omy , the act of di ecting birds. [Gr. ornis , ornithos , a bird.]