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File Copies to Redington Avery 01 in February 1930 ,. $, M. b1ss 'bit$ Tsg has h ba impresse a the exitin o wtedge r of bohcottona a of rbbit eservts io t q.4 stLon ether stla egar to US possible reato of rbbitste. cam bird or regard to rabbit s a t a Soe~ reore I in. loimt I iso Ist @o OtI. #11 s t XMI the s i off bhtl 4 Is Gr ous to psm1 ot t resolto %Lvgi4o the f iol1 srntlu s1s eihe Is r, to the theb2 iat os 9 Sbbth toe ,son bis o I st to btLt-. | j .5. t wathe v . gis1o Ruiy to conids st of rabbtsde r the R woseey Xear Sill, an sugesting parllel rabbit studies in Canad. I wa aske to see you. persnoally to present the arigwots in favor of this sugestion. I tried to do this. but by th tins I had gottenaroun to It I found you. had left tows. Carlos Avery now r~ests that I pre~set the a&pm~t M* wal as possibl by mai. Th C&adianIconcrus, primarily the as.nows rabt You are familiar, of cours, with the various Canaian authouities wh -e in wind. the existseas of a popuation cycle In snowshe rabbits. in mySm survy of Wisconsin I found that this cycle coincided qu11. strongy with the grose cycle, but %bat the severty of vtrgo 1eno of the cycle seme to vary a ge~at d~ between localit ies. Th first r"*stioa I wol mak t the aie& of an b$.irto iea stu in Canada todtermine the extent to which the snomhos rabit eycl is #ot~si&Ita in scope and to uht extent the seveitty an vrlfe of the eyele varies as bstvon eg ions and 1..4lti~s. I know that s*m wor hs bees dose an thIs, lpt as aavrly as I an aware not *novg hee beenston to presenta pitu"~ of eitho# Caad or the Units& States- a **I*. Cozt~rwOus with such an bistorica stud t~ew should be o~lmously in both countriesa stuies of te living rabbit to doterain *.at diseases and paraitesr prev~alent and s*ieb ons e. to *&us thaevoylo. In this connetion I wout call your attentios to the fact