PS Y Glide 
ORGAN OF THE CAMBRIDGE ENTOMOLOGICAL - CLUB. 
[ Established in 1874. | 
. EDITED BY 
Grorce Dimmock, Cambridge Mass.; B: Pickman Mann, Cambridge, Mass. ; 
Apert J: Coox, Lansing, Mich.; Citrrorp Cuase Eaton, 
Cambridge, Mass. 
Vol. 3. No. 69. 
JANUARY 1880. 
CONTENTS: 
ADVERTISEMENTS — Acknowledgements : ; : 7 : ; : ‘ . 2 
EXPERIMENTS UPON THE Errect oF CoLp APPLIED TO come ALIDS OF BUTTERFLIES 
—W: H: Edwards. 2 : , : : F : : : : ; ; . 38-6 
InrrRopucTORY — Announcement 5 F ; ; : : : ; : ; ; ; a 
BIBLIOGRAPHICAL RECORD Fs ‘ ; : 5 ; : : 8-10 
EntromoLocicaL Items — Society Meetings _ tgumetearals ; : - - - root 
ADVERTISEMENTS — Notice : , Z F E ; : ; ’ ‘ : : aera bY 
CampripGe, Mass., U. S. A.: PusiisHep sy Grorce Dimmock. 
YEARLY SUBSCRIPTIONS, $1. MONTHLY NUMEROS, 15 c. 
|Entered as second class mail matter.] 
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