PSYCHE 



A JOXJRISr^^IL. OF EIISTTOiMIOnLiOGI-^^ 



[Established in 187^] 

 Vol. 9, No. 286 

 February, 1900 



CONTENTS 



On the Mating instinct in Moths. — Alfred Goldiborotigh Mayer. ... 15 



Entomology for the Young ........... 20 



Life histories of North American Geometridae. X. — Harrison G. Dyar. . 21 

 The fifth species of Kermes from Massachusetts. (IlUistrated.) — George 



B. King 22 



Proceedings of the Cambridge Entomological Club (American species of 

 Tachys ; Gryllus liictuosus: dark larvae of Papilio polyxenes\ ortliopteran fauna 

 of Europe and tiie United States). .......... 23 



PUBMSIIED BY THE 



CAMBRIDGE ENTOMOLOGICAL CLUB 



Cambridge, Mass., U. S. A. 



YEARLY SUBSCRIPTIONS, $2. VOLUME, $5. MONTHLY NUMBERS, 20c. 

 [Entered as second class mail matter] 



