. Documentary journal of Indiana 1905 . ^ Fig. 8. YoiiDg pignut hickory,a-b. Reverse sides of same stem, showing complete rings just under the Fig. 8. a. Course of borer in young shell bark hickoryafter entering through injury at b. 148 Fifth Anntjal Rep out Many varieties of leaf gall were present as were the cuttingsin the t^vigs by cicada. The leaves which were eaten were left likethose of the oak, and seemed to^ have been destroyed in the samemanner. First, by eating aronnd the outside; second, by eating

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