. Bulletin. Geography. 244 DRY AND MESOPHYTIC FOREST COMMUNITIES Pickering's tree-frog is sometimes abundant. The oven-bird nests on the ground. b) Field and shrub strata.—'The field stratum is very poorly devel- oped in summer, herbaceous plants being most abundant in early spring. The paw^aaw supports the zebra swallowtail butterfly (Papilio ajax Linn.), and the spice-bush the green-clouded swallowtail (Papilio troilus Linn.). In the shrubbery in general we have taken snout-beetles, leaf- beetles, etc., usually as incidental occurrences, however. A lacebug {Gargaphia tiliae), which has been


. Bulletin. Geography. 244 DRY AND MESOPHYTIC FOREST COMMUNITIES Pickering's tree-frog is sometimes abundant. The oven-bird nests on the ground. b) Field and shrub strata.—'The field stratum is very poorly devel- oped in summer, herbaceous plants being most abundant in early spring. The paw^aaw supports the zebra swallowtail butterfly (Papilio ajax Linn.), and the spice-bush the green-clouded swallowtail (Papilio troilus Linn.). In the shrubbery in general we have taken snout-beetles, leaf- beetles, etc., usually as incidental occurrences, however. A lacebug {Gargaphia tiliae), which has been recorded on basswood, and several. 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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