. Elements of geology : a text-book for colleges and for the general reader. Geology. Fig. 539. Fig. 542. Fig. 544. Figs. 539-544.—Carboniferous Land and Fresh-water Shells: 539. Pupa vetusta (after Daw- son—a Land-Shell; a, natural size; b, enlarged. 540. Cypris (after Dawson); a, natural size. 541. Spirorbis (after Dawson); a, natural size. 542. Naiadites (after Dawson). 543. Dawson- ella Meekii (after Bradley). 544. Anthracopupa Ohioensis (after Whitfield).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloratio
. Elements of geology : a text-book for colleges and for the general reader. Geology. Fig. 539. Fig. 542. Fig. 544. Figs. 539-544.—Carboniferous Land and Fresh-water Shells: 539. Pupa vetusta (after Daw- son—a Land-Shell; a, natural size; b, enlarged. 540. Cypris (after Dawson); a, natural size. 541. Spirorbis (after Dawson); a, natural size. 542. Naiadites (after Dawson). 543. Dawson- ella Meekii (after Bradley). 544. Anthracopupa Ohioensis (after Whitfield).. 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 LeConte, Joseph, 1823-1901. New York : D. Appleton and Co.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectgeology, bookyear1892
