Experiments with Orthoptera concerning diurnal rhythm. American Museum novitates ; no. 550
Supplemental Materials
Date
1932
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New York City : The American Museum of Natural History
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Abstract
"Two species of crickets and a subterranean grasshopper showed very definite diurnal rhythms which were continued in constant darkness, temperature, and hunidity. These rhythms were changed by 'reversed illumination' and then the new rhythms were continued in constant with the following exceptions. The crickets that were subjected to reversed illumination for only a short time showed a tendency to return to the old rhythms after a short time in constant darkness, and the Stenopelmatus individual was inactive during a relatively long period of reversed illumination showed no effect of the reversing when it was subsequently active in constant darkness"--P. 24.
Description
24 p. : ill. ; 24 cm.
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