es ES) gl Be 
ORGAN OF THE CAMBRIDGE ENTOMOLOGICAL CLUB. 
[Established in 1874. ] 
EDITED BY 
Gerorce Dimmock, Cambridge, Mass.; B: Pickman Mann, Cambridge, Mass. ; 
Apert J: Coox, Lansing, Mich.; Cuiirrorp Cuase Eaton, 
Cambridge, Mass. 
Vol. 3. No. 72. 
Aprit 1880. 
CONTENTS: 
ADVERTISEMENTS ‘ a . : 4 : 50 
Lire History oF eoven a PALLENS mea Hes Beli oe =< aaa ‘61-53 
Nore on NortH AMERICAN TRYPETIDAE — Charles Robert Osten Sacken 3 ‘ 3 Sas: 
Procrrepines oF SocieTies—Entom. Sect. Bost. Soc. Nat. Hist, — Reviews - ; Adie! 
BrIsLi0GRAPHICAL RECORD ‘ ‘ 3 : , - 3 r : ; : 55-58 
Enromooeicat Items — Society tas - ‘ : ° : 2 = F « 69 
ADVERTISEMENTS s - : : i : : : 4 > : Shah kite : s.. 60 
CamBripGe, Mass,, U. S. A.: PusiisHep By Grorce Dimmock, 
YEARLY SUBSCRIPTIONS, $1. MONTHLY NUMEROS, 15 c. 
[Entered as second class mail matter.| 
