Protection of shade trees in cities and towns (1900)
[New Haven] : Connecticut Agricultural Experiment Station · leaf 42
f7,f: Fig. 10.—Work of Maple Borer nearly girdling the tree. PLATE V … Fig. ii.—Damage by Maple Borers showing tunnels cut spirally around the trunk. PLATE VI
Trees · Ornamental trees
Internet Archive · University of Connecticut Library · Public Domain Mark 1.0. Free to use for anything.
