. Bulletin. Geography. Representatives of a Young Pond Community Fig. 86.—The shell of a mussel (Anodonta graiidis footiana) that has been broken open by a muskrat; slightly enlarged. Fig. 87.—The burrowing dragon-fly nymph {Gomphus spicatus), with the mask extended. Fig. 88.—Some fishes of the pond. The dark fish which rests near the bottom is the mud minnow {Umbra limi). The fish swimming about is the golden shiner (Abramis crysoleitcas)', 1/5 natural size. among the chara. This species is the successor of the bottom species (Goera). It belongs to a different group and has structural charact
. Bulletin. Geography. Representatives of a Young Pond Community Fig. 86.—The shell of a mussel (Anodonta graiidis footiana) that has been broken open by a muskrat; slightly enlarged. Fig. 87.—The burrowing dragon-fly nymph {Gomphus spicatus), with the mask extended. Fig. 88.—Some fishes of the pond. The dark fish which rests near the bottom is the mud minnow {Umbra limi). The fish swimming about is the golden shiner (Abramis crysoleitcas)', 1/5 natural size. among the chara. This species is the successor of the bottom species (Goera). It belongs to a different group and has structural characters which distinguish it from Goera, but which probably have no relation to its habitat or habits. On the other hand, the mores as indicated by case-building is also different but is related to the environment. 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
