Poy Cre, 
ORGAN OF THE CAMBRIDGE ENTOMOLOGICAL CLUB. 
[Established in 1874. ] 
EDITED BY 
Gerorce Dimmocx, Cambridge, Mass.; B: Pickman Mann, Cambridge, 
ALBERT J: Coox, Lansing, Mich.; Ciirrorp CHAse Eaton, 
Cambridge, Mass. 
Vol. 3. No. 70. 
FrEeBruary 1880. 
Mass. ; 
CONTENTS: 
ADVERTISEMENTS — Acknowledgments ‘ , : 14 
EXPERIMENTS UPON THE EFFECT OF CoLD (Ais cigeat TO eaees ALIDS OF Evmeweens 
— W: H: Edwards 15-19 
PROCEEDINGS OF apenas ei aicrncla staal ee of Tein Cambridce Entomol- 
egical Club . 20 
BiIBLioGRAPHICAL REcoRD : 21-22 
Enromoxrocicat Items — Society Mesins 23 
ADVERTISEMENTS . 24 
CamprinGe, Mass., U. S. A.: PusiisHep sy George Dimmock. 
YEARLY SUBSCRIPTIONS, $1. MONTHLY NUMEROS, 16 c. 
[Entered as second class mail matter.] 
