ENTOMOLOGICAL NEWS 



AND 



PROCEEDINGS OF THE ENTOMOLOGICAL SEQION 



or mAtvmAL 



Vol. XXVI. 



JANUARY, 1915. 



No. 



CONTENTS 



LjnMi— Tto Beolocy of tW Dnsaafv 



W)iplM d CMoidnhi ^ — v</^w4^> f 

 tUMMdcs— A arw nm '« 



(LcpM.) .13 



dc la Ton* Ba««»»— TIm Lt...-^ . ..„ A.»«f • 



IcM Baudlcmlp.. Motot i 1* 



Vaa Dnzc«— DncrtpUoaa o4 tlirM avw 



■ p«<k» ol the Dtptcveaa g«««a Sc la 



pm with ■ key 10 Uw Nortli Ancfi- 



•7 



lUa— TIm Lo f vity —d Matlac Ha^ 

 It* ol Dtekfsaocpka viridta Sc«d. 



«(>nh,). »7 



to 



MwnMMdNpi.) It 



Al«Mad«r A Swoatf ■raaMUad-lakab- 



Mm CnaMv (TiwUldM. OI»lMa) »« 

 Cock«T«kl-Tb« KmI TftooM ^ 



Sauib RtdlMOVvfvd (llya.). 



■dllafff^!iia'oii'P»cki^ liiwrlaiw ^ 



TraaaportaUoa n 



Cl«M»«l Addraa*^ M 



IliiwSliaif KolM oa the S4rictda«al 



CalHMiria ( Hirm.) m 



MaacMeailaa at SwcmnM ..• 95 



Laaia^ Afy Warai nat*« te FWi*' 



<ll»>li (Lin ... J* 



Gnaam-~Two Kara Waapa - •* jy 



BllM— DiMaailii Drrau 



Aa«a(0«aa.. HywMi - 

 Eleialocical Utmr 

 H.&-ltevtt«o«8r<. 



r>B<«gi a< Woftwiaa fcwmati (. 

 tac Social ( DIk3,U9^. Cat. ). . 

 OMtaaff Aaaaal 



The Ecology of the Dragonfly Nymphs of Caioi- 



dilla Creek (Odon.). 



By Maky B. Lvon.* 



(nala U 



CoNTum. 



lntr(Miu>ti>>n I 



Aqtntic Situation M 



I Distribution J 



II Kpiphytrs and Epizott .......' 4 



III Food of the Kymptiv 7 



IV Eflidency of Shdtcr ... 11 



Bibliography /. 14 



The work on which this paper is based incluiies obsenra- 

 tions on the n)'niphs of dragonflies occurring in a limited part 

 of Casondilla Creek near the Cornell University Campus. 

 I\c]irrsotit.iti\ cs of most of the families of this group are foond 



*Contribation from the Uninolocical Laboratory of the Departmcot 



c.f Fntitniiiloirx' in Cdrnrll I'nivrrsitv. 



