ENTOMOLOGICAL NEWS 



AND 



PROCEEDINGS OF THE ENTOMOLOGICAL SECTION 



ACAomv or katvkal actBHcn, rHiLAOBLrnA. 



Vou XXVI. 



OCTOBER, 191 5. 



No. 10. 



CONTENTS; 



CriMploB T lw TlMtadc Sdir1l« aad 

 tlH ■yW— Hit ^Hfetoa ol Crylo 

 ' M cuMpniiilfiirwIi Walker, a 



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17* 

 J»4 



Moaall. 



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 Covlaiiaa raw ! 

 Dr. ia&aa Mas Hagvdora. 



Caaoa Jaaa Plalar 



The Thoracic Sclerites and the Systematic Position of 

 Gryllobiatta campodeiformis Walker, a Remarka- 

 ble Annectent, ** Orthopteroid " Insect. 

 By G. C. CuAMPTON, Ph.D.* 



(Plala Xtn) 



In the March, 1914, issue of the Canadian Enlomologist 

 (Volume xlvi. No. 3. pages 93-99). Dr. E. M. Walker has 

 described and figured a very remarkable insect, Gryllobiatta 

 eam^odriformis, which combines within itself characters com- 

 mon to a number of "Orthopteroid" insects. Indeed, in many 

 respects, it may be considered as a veritable "living fossil," 

 and from the point of view of the study of insect phylogeny. 

 it is one of the most important of recent pterygotan forms. 

 Through the kindness of Dr. Walker, I have been able to 

 make a study of the external anatomy of this important an- 



*Contribation from tiie Entoinoktgical Laboratory of the MaMadin- 

 •rtts Agricultural College. Amherst. Mass. 



