Image: EB1911 cicada tymbal structure
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Description: Cicada tymbals: sound-producing organs and musculature. a, Body of male Cicada from below, showing cover-plates of musical organs; b, From above showing tymbals (drums), natural size; c, Section showing muscles which vibrate tymbals (magnified); d, A tymbal at rest; e, Thrown into vibration (as when cicada is singing), more highly magnified.
Title: EB1911 cicada tymbal structure
Credit: http://www.gutenberg.org/files/39435/39435-h/39435-h.htm
Author: Encyclopaedia Britannica 1911
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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