. The Canadian field-naturalist. Natural history. 128 The Ottawa Naturalist [Vol. DIFFERKNT TYP]':S. OF GALLS: A. mite Kail, sometimes very ab- undant on bassvvood leaves, note the varied forms. Tlu> interior is inhabited by microscopic plant mites. H. Maple si)ot j;all, a yellowlsli-red marKlned kh'1. very common on soft mai)le: at the centre there is an almost transparent maKKOt. C. fiud Kail f)n the western ^ayless Koldenrod. note the proti^ctinK l)rush of plant hairs shown in the enlar^fd section. I). Oohlt-nrod ball Kail, very common, each inhabiti-d by a iarye stout ye
. The Canadian field-naturalist. Natural history. 128 The Ottawa Naturalist [Vol. DIFFERKNT TYP]':S. OF GALLS: A. mite Kail, sometimes very ab- undant on bassvvood leaves, note the varied forms. Tlu> interior is inhabited by microscopic plant mites. H. Maple si)ot j;all, a yellowlsli-red marKlned kh'1. very common on soft mai)le: at the centre there is an almost transparent maKKOt. C. fiud Kail f)n the western ^ayless Koldenrod. note the proti^ctinK l)rush of plant hairs shown in the enlar^fd section. I). Oohlt-nrod ball Kail, very common, each inhabiti-d by a iarye stout yellowish-white maKKOt. 10. ("y|)ress llower Rail, a peculiar whitish (lower-shaped growth sometimes very abundant on the twins. P. Cockscomb elm Kail, a deformity produced by a plant louse and occasionally very abunilant nu small trees, the slit-liUe entrance on the under surface of the leaf is shown in the ui)per riKhl-hiiml tiKUre. G. Downy llower Kail, sometimes very abundant on Koldeiuoil. H. Witch hazel cone Kail, a Ki"eenlsh or red<llsh Kail, sometimes verv abundant and produced by a plain louse.—(Author's illustra- tions, Scientific Monthly.). 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 Ottawa Field-Naturalists' Club. Ottawa
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