. Bulletin. Geography. 246 DRY AND MESOPHYTIC FOREST COMMUNITIES First stage: Tree freshly fallen (Fig. 246). Only forms recorded are the apple-tree engraver beetle {Pterocyclon mali Fitch) (Fig. 247) which makes galleries in the solid Succession in the Beech Log Fig. 246.—The freshly fallen beech. Fig. 247.—The first borer to enter the fallen tree (Pterocyclon mali Fitch); greatly enlarged (from Lugger after Dept. Agr.). Fig. 248.—The partially decayed beech. Fig. 249.—Closer view of the same showing the burrows of the different wood- boring larvae in the softened wood. Fig. 250.—
. Bulletin. Geography. 246 DRY AND MESOPHYTIC FOREST COMMUNITIES First stage: Tree freshly fallen (Fig. 246). Only forms recorded are the apple-tree engraver beetle {Pterocyclon mali Fitch) (Fig. 247) which makes galleries in the solid Succession in the Beech Log Fig. 246.—The freshly fallen beech. Fig. 247.—The first borer to enter the fallen tree (Pterocyclon mali Fitch); greatly enlarged (from Lugger after Dept. Agr.). Fig. 248.—The partially decayed beech. Fig. 249.—Closer view of the same showing the burrows of the different wood- boring larvae in the softened wood. Fig. 250.—Shows the last stage in the decay of the Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Geographic Society of Chicago. Chicago, Ill. : Published for the Society by the University of Chicago Press
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectgeography, bookyear19