Lexicographical Neighbors of Apterium
Literary usage of Apterium
Below you will find example usage of this term as found in modern and/or classical literature:
1. Bulletin by United States National Museum (1911)
"... the front plantar leading to the three anterior toes, the hind plantar leading
to the hallux, the feet relatively very small; a frontal apterium; ..."
2. The Auk: Quarterly Journal of Ornithology by American Ornithologists' Union, Nuttall Ornithological Club (1901)
"Dorsal tract directly continuous with upper cervical, thus enclosing a more or
less elongated apterium. Humeral tracts broad and strong, sometimes connected ..."
3. The Ibis by British Ornithologists' Union (1893)
"shaped apterium over each eye, these being, so far as material has been examined,
peculiar to the respective groups and not found in the Swallows. ..."
4. Proceedings by Zoological Society of London (1892)
"Without dorsal apterium. 10 primaries. No downs in adults. Spina interna absent.
... Cosmopolitan. Without dorsal apterium. ..."
5. Birds by Eugene William Oates, William Thomas Blanford (1895)
"The spinal feather-tract well defined on the neck, but forked on the upper back,
to leave a dorsal apterium or featherless space. 14 cervical vertebrae. ..."
6. Science by American Association for the Advancement of Science (1902)
"The posterior cervical apterium, so conspicuous in the hummingbirds, is present
in every swift I have examined, and I have not seen it in any other birds. ..."
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