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Journal of Experimental Biology 39,479-482 (1962)
Published by Company of Biologists 1962

The Cicada Song

M. NAKSHBANDI ¹ and A. ZAHLAN ²

¹ Physics Department, American University of Beirut Beirut, Lebanon; The Middlesex Hospital, Medical School, London, W.1.
² Physics Department, American University of Beirut Beirut, Lebanon; Biophysics Department, W. W. Hansen Laboratories, Stanford University, Standford, California

1. The song of the cicada (genus: Cicadatra) has been studied.

2. The wave-form of the song shows two modes of amplitude modulation: (a) a slow modulation, period 8.3 µsec; (b) a fast modulation, 40-75 /µsec. growth and 185-250 µsec. decay.

3. There is indication of wave distortion and instability at the beginning and end of the song.