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ORGAN OF THE CAMBRIDGE ENTOMOLOGICAL CLUB. 
[Established in 1874. ] 
EDIT LE IX iF 
Grorce Dimmock, Cambridge, Mass.; B: Pickman Mann, Cambridge, Mass. ; 
ArsBerT J: Coox, Lansing, Mich. ; Ciirrorp CuasE Eaton, Cambridge, 
Mass.; JoserpH Duncan Putnam, Davenport, Jowa; Francis 
HuNTINGTON Snow, Lawrence, Kansas; 
WITH THE ASSISTANCE OF 
W: BarRNES, H: Epwarps, RoLAND Haywarp, S: HreNsHaw, A. ROBIN, FRANK G: 
ScHaupp, S: HuspsBarp ScuppDER, ROLAND THAXTER, W: TRELEASE, 
H: Warp TURNER, JOSEPH MARTIN WILSON. 
Vol. 3. No. 87-89. 
JuLy—SEpTEMBER, 1881. 
CONTENTS: 
ADVERTISEMENTS. 2 . : . ; : ; ; , 3 . : - 230 
ANATOMY OF THE MOUTH-PARTS AND OF THE SUCTORIAL APPARATUS OF 
CuLExX— George Dimmock . : : ; : : : ; : 231-241 
THYRIDOPTERYX EPHEMERAEFORMIS HAWworTH. ITs HABITS AND METAMOR-— 
pHosis — Helen Selina King : : : 241-243 
HABITS OF HYPOPREPIA PACKARDII, GROTE. | Saray Either Murtfeldt : : 243-244 
PROCEEDINGS OF SOCIETIES — Cambridge Entomological Club . : eas 
GossrE’s OBSERVATIONS ON THE BUTTERFLIES OF NORTH Pe 
Hubbard Scudder . - : : “ : 3 : - - 245-247 
BIBLIOGRAPHICAL RECORD, no. Sere ‘ : : : : : : - 248-258 
ENTOMOLOGICAL ITEMS — Society Meetings— Prize Essays . . : : : 7) 1259 
ADVERTISEMENTS : : : 2 : ‘ : ; : : : ; : 21 260 
CamBripGE, Mass., U.S. A.: PustisHep By GEorGE Dimmock. 
YEARLY SUBSCRIPTIONS, $1. MONTHLY NUMEROS, 15 c. 
{Entered as second class mail matter. } 
