fey Tih 
ORGAN OF THE CAMBRIDGE ENTOMOLOGICAL CLUB. 
[ Established in 1874. ] 
2 OGLE DT 
GeEorGE Dimmock, Cambridge, Mass.; B: Pickman Mann, Cambridge, Mass. ; 
ALBERT J: Coox, Lansing, Mich.; Ciirrorp CHASE Eaton, Cambridge, 
Mass.; JosEPpH Duncan Putnam, Davenport, Iowa: FRANCIS 
HUuNTINGTON Snow, Lawrence, Kansas; 
WITH THE ASSISTANCE OF 
W: Barnes, H: Epwarps, RoLAND Haywarp, S: HENSHAW, A. ROBIN, FRANK G: 
SCHAUPP, S: HUBBARD SCUDDER, ROLAND THAXTER, W: TRELEASBE, 
H: Warp TuRNER, JOSEPH MARTIN WILSON. 
Vol. 3. No. 82. 
FEBRUARY, IS881. 
CONTENTS: 
ADVERTISEMENTS : : : : : : : : : : = )ik7o 
ON THE NUMBER OF Nair OF BUTTERFLIES, WITH SOME HISTORY OF THE 
Motu CALLOSAMIA PROMETHEA— IW: H: Edwards : F - 171-174 
EFFECT OF COLD APPLIED TO CHRYSALIDS OF LIMENITIS DISIPPUS — W: Zs 
Edwards . : : : : : é - : : : : : ce LL 4: 
Revi—ew— Records of Necrology . ; : q ; : = PRLS, 
BIBLIOGRAPHICAL RECORD—Necrology for oe ahd 1880 . : : : 176-178 
ENTOMOLoGICAL IrEms — Advertisement — Society Meetings —Prize Besays : FS 
ADVERTISEMENTS ; : : ; : : s : : : 3 3 : 2 i180 
CamBRIDGE, Mass., U.S. A.: PusiisHep By GrorGE Dimmock. 
YEARLY SUBSCRIPTIONS, $1. MONTHLY NUMEROS, 15 c. 
[Entered as second class mail matter. ] 
