74 



^n9tcc Harris says of it: " During the evening, and even at other times in shady places 

 the males make a sharp clicking noise, somewhat like that produc ed by snapping the point 

 of a pen against the thumb nail, but much louder." 



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Fig. 49. Note of Orchelimum vulgare. 



McNeill, writing of Illinois, says : " I have heard its note as early as the 21st of 

 July. Its song is the familiar zip-zip- zip-zip-ze-e-e-e. The staccato first part is repeated 

 about four times, usually about twice a second ; the ze-e-e-e continues from two or three to 

 twenty or more seconds." rgb>-!al 



