...From the auditory canal, G, to the maxillary spine, F,is the same distance as from this point to the margins of thelips, E, or, better, to the end of the teeth... 
Édouard Cuyer 「Artistic Anatomy of Animals」
...The auditory bullæ are large; "eye-pits small; groin-pits distinct;large feet-pits in all feet; knees tufted" (Jerdon)...
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...nuttallii along the eastern margin of its range differsin more slender rostrum, and larger external auditory meatus...
E. Raymond Hall 「A Synopsis of the North American Lagomorpha」
...5; diameter of auditory bulla, 14...
Ticul Alvarez 「The Recent Mammals of Tamaulipas, Mexico」
...In all, however, the supra-orbital plates are rather larger, and in all the auditory meatus is larger, in conformity with the increased size of the external ears, than in the wild rabbit...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...7); breadth across auditory bullae, 12...
Rollin H. Baker 「Mammals taken Along the Alaska Highway」
...The external auditory meatus(ear) is a small inconspicuous opening located just below andbehind the eye...
Stephen Leatherwood 「Whales, Dolphins, and Porpoises of the Western North Atlantic」
...Skull small; auditory bullae(actually and relative to remainder of skull) smaller than in any otherknown kind of Dipodomys, except D...
E. Raymond Hall 「Mammals Obtained by Dr. Curt von Wedel from the Barrier Beach of Tamaulipas, Mexico」
...—Examination of a number of auditory ossiclesof Baiomys reveals constant interspecific differences in the malleusand incus...
Robert L. Packard 「Speciation and Evolution of the Pygmy Mice, Genus Baiomys」
...Internal structuressuch as hyoid apparatus, auditory ossicles, and baculum remainedalmost unchanged, as for example in Calomys now living in SouthAmerica...
Robert L. Packard 「Speciation and Evolution of the Pygmy Mice, Genus Baiomys」
...In front under the forehead we can see thefirst pair of gill-arches; underneath is the S-shaped heart, at the sides ofwhich are the auditory vesicles...
Ernst Haeckel 「The Evolution of Man」
...However, in the lamprey the spinal cord swells in front into asimple pear-shaped cerebral vesicle, and at each side of it there are a verysimple eye and a rudimentary auditory vesicle...
Ernst Haeckel 「The Evolution of Man」
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