EB1911 cicada tymbal structure
Autor:
Encyclopaedia Britannica 1911
Krótki link:
źródło:
Wymiary:
1089 x 912 Pixel (610276 Bytes)
Opis:
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.
Licencja:
Public domain
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