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  • 21 Aug, 2019

  • By, Wikipedia

File:EB1911 Cicada Tymbal Structure.png

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.
Date Source http://www.gutenberg.org/files/39435/39435-h/39435-h.htm Author Encyclopaedia Britannica 1911

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Cicada tymbals: sound-producing organs and musculature.

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