114 RANADA. 
by day as well as by night. The female, being without 
these organs, produces only a slight groaning noise. 
The eggs are deposited in France from the end of 
March until the beginning of May. It would be interest- 
ing to observe exactly the period when this function 
begins and ends in this country, and to ascertain how 
far it is hastened or retarded by the temperature of the 
atmosphere. 
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