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ENTOMOLOGICAL NEWS. 



[Sept., '06 



To this view the authors of the present paper cannot sub- 

 scribe, and after having examined about one hundred individ- 

 uals of what Mr. Woodworth would call tibicen, we are strongly 

 of the opinion that there are three species. We were first led 

 to this view by observing the songs and distribution of the 

 Cicadas about New York City, and later we found that the 

 specimens could be easily separated into three series. 



TABLE FOR SEPARATING THE MALES. 



The description of Cicada tibicen by Linnaeus would do 

 equally well for the other two species considered below, but 

 we have confined it to what, in our opinion, was the insect 

 Dr. Harris had in mind from Manhattan Island, in New York 

 City. In addition, there is no doubt as to the insect Dr. Har- 

 ris described as canicularis, and the pruinosa of Say is nearly 

 as well characterized. 



What we have called the last ventral segment in the follow- 



