PSYCHE, 



-A. JOXJK,N".A.I_. OF EnsrT03i^0L.0GI-ir. 



[Established in 1874.] 

 Vol. 6. No, 154-166. 

 February-March 1S89. 



CONTENTS: 



Advertisements ............ 158 



On the Occurrence of Organs probably of Taste in the Epipharynx of 



THE Mecaptera (Paxorpa and Boreus) — Alfheus Sf ring Packard . . 159-164 



Observations on Some Variations of the Males in Clinidium — Frederick 



Blatichard 165-165 



Some New Comparisons of Pieris napi and Pieris oleracea — Samuel Hub- 

 bard Scudder ......... 



Lac Insects — Hermann August Hagen ..... 



Migration of Aganisthos acheronta — Benjamin Pickman Mann 



Duration of Life in an Ephemera — Alpheus Spring Packard 



Pairing of Xysticus trigutattus — yatnes Henry Emerton 



Trox at Electric Light — Charles William Woodvjorth 



Luminous Eggs of Insects — George Dimmock .... 



Phosphorescence of myriopods — George Dimmock . 



The meconium of Butterflies — George Dimmock . 



Household Pests — George Dimmock ..... 



Myrmecophilism — William Trelease ..... 



Published by the 



CAMBRIDGE ENTOMOLOGICAL CLUB, 



Cambridge, Mass., U. S. A. 

 YEARLY SUBSCRIPTIONS, $2. VOLUME, $5. MONTHLY NUMEROS, 3oc 



[Entered as second class mail matter.] 



