...Thegreat cavity is the bulla tympani or bulb of the ear; a m is theauditory meatus or external hole of the ear... 
Robert A. Sterndale 「Natural History of the Mammalia of India and Ceylon」
...The influence of the external ear on the bony meatus is well shown in the skulls (I have examined three) of half-lops (see fig...
Charles Darwin 「The Variation of Animals and Plants Under Domestication, Vol. I.」
...This is formedinto a part of the organ of hearing; from it are developed the external meatus,the tympanic cavity, and the Eustachian tube...
Ernst Haeckel 「The Evolution of Man」
...In these lizards there are two uteri, that open into one common canal, or vagina, which is extremely short; and the meatus urinarius is situated between these openings...
David Collins 「An Account of the English Colony in New South Wales, Vol. 2」
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