PSYCHE, 



J^ J"OXJR,Kr.A.rj OF ElSTTOIy^OLOOY". 



[Established in 1874.] 



Vol. 6. No. 143. 



March 1S88. 



COJVTBJVTS: 



Advertisements .............. 26 



Mimicry in Hemiptera — Edward P. Van Duzee 27-28 



Variable Number of Molts in Insects — Anna Katherina Dtmmock . . . 28-29 

 Curious Pupa of Pieris — Charles William WoodTvorik ...... 30 



Parasites Stinging Pupae of Pieris rapae — Caroline G. Sotde .... 30 



Egg-Laying of Liminitis dissippus — Samuel Hubbard Scudder .... 30 



Bibliographical Record, no. 4418-4455 ......... 31-34 



Entomological Items 35-3^ 



Published by the 



CAMBRIDGE ENTOMOLOGICAL CLUB, 



Cambridge, Mass., U. S. A. 

 YEARLY SUBSCRIPTIONS, $2. VOLUME, $5. MONTHLY NUMEROS, 30c 



fEntered as second class mail matter.] 



