Geological Society of Pennsylvania Transactions, Volume 1, part. 2. Philadelphia, James Kay, Jun. & Brother; Pittsburgh, John I. Kay & Co., 1835. Quarto, pp. i-x, (includes contents to both parts, membership subscriber list), 177-427, errata, and plates, 7-26, many hand-colored, many folded.
Quarto, 9 3/4 x 6 1/2 inches. This is volume 1 part 2 and the last part published. The volume is in a blue linen with gilt titles. Old call number on lower spine, later private owners stamp on end sheet. card pocket removed from rear and small discard stamp on first page of contents. Light foxing to some text and a few plates, light stain to outer margin of a few text pages. Text is still untrimmed, several articles have early penciled notations along margins. Over all in good-very good condition. The first printing of a very rare geology work.
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Founded in 1832 in Philadelphia by Peter Brown; the Geological Society of Pennsylvania served to bring about the establishment in 1836 of the Pennsylvania State Geological Survey. Henry Rogers was to head the state survey. The Geological Society of Pennsylvania was only the second society of its type to be organized in America, the first being in New Haven, Connecticut. Some of the papers were written by members who would become noted figures in the geological sciences, i.e. Andres Del Rio on mineralogy, R. C. Taylor on the coal fields of Pennsylvania and Virginia, Gerard Troost and Richard Harlan on stratigraphy and vertebrate paleontology. Others, while their contributions are well noted are not remembered,;i.e. James Dickson on the gold regions of America; T. G. Clemson; on New Jersey copper ores and regional mineralogy. By far the most notable papers are several by Harlan and Troost on vertebrate and invertebrate paleontology and by R. C. Taylor describing the mining regions in Pennsylvania and neighboring states. The illustrations, both hand colored and black and white, accompanying many of the papers are of excellent quality. The plates illustrate mine plans, maps of coal regions, geological maps and sections, and invertebrate and vertebrate fossils. original copies of the work are quite rare. Part 1 is seldom seen, since far fewer then part two were printed.