8 ILLUSTRATIONS. 



Pago. 



Kui. :«>. l»ia>;r:im Hliowinj: :ivci:igi' progress of di.iiiietvr growth (linast liigli) of doiiiinant trees 1(W 



:(1. Diagram sliowiiig diaimaer growth of dominant trees at various heiglit-s from gronnil (average 



tlirongliiiiit range) ^^ 



:V2. niagrani nhowing diameter growth of codoniinant trees at various heights from ground (average 



throughout r;inge) '"" 



;!3. Kiagniiii showing diiiiuoter growth of oppressed trees at various heights from ground (average 



tliroughout r;ingr) '"^ 



'M. Diagram showing <1i:imcter growth of dominant trees at various heights from ground in Wisconsin.. HI 



3.'>. Diagram showing diameter growth of oi)prc8scd trees at various heights from ground in Wiseonsin.. Ill 



'M\. Diagram showing diamet^-r growth of dominant trees at various heiglit.s t'rcuu grouii<l in I'i'unsylvania. 113 



:t7. Dia^'ram showing diameter growth of eodominaut trees ut various heights from ground in I'eunsylvania IIH 



:$><. Diagram showing diauuter growth of dominant tries at various heights from ground in Miiliigau . . . 115 



XK Diagram sliowiug diameter growtli of cmlomiuant trees at various heights fnuu gr id in Miiliigan. 115 



40. Diagram showing diameter growth of oppressed trees at various heights from ground in iMichiguu. .. 116 



