. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. AMERICAN GEOLOGY DECADE OF 1840-1849. 385 survey until 186! p. 540). During when he resigned, to be succeeded by Selwyn (sec this period he submitted sixteen reports, dealing- main ly with stratigraphic and Issachar Cozzens's Geology of New York, 1843. ;% economic subjects, and in 1863 a summation of his results un- der the caption of The Geology of Canada (p. 517). Among the earl}T members of the New York Lyceum was one Issachar Cozzens, a
. Annual report of the Board of Regents of the Smithsonian Institution. Smithsonian Institution; Smithsonian Institution. Archives; Discoveries in science. AMERICAN GEOLOGY DECADE OF 1840-1849. 385 survey until 186! p. 540). During when he resigned, to be succeeded by Selwyn (sec this period he submitted sixteen reports, dealing- main ly with stratigraphic and Issachar Cozzens's Geology of New York, 1843. ;% economic subjects, and in 1863 a summation of his results un- der the caption of The Geology of Canada (p. 517). Among the earl}T members of the New York Lyceum was one Issachar Cozzens, a chemist and geologist, who has left as his main claim to recognition here an octavo volume of 111 pages and 9 plates, entitled A Geo- logical History of Manhattan or New York Island, together with a map of the Island and a suite of Sec- tions, Tables, and Columns for the Study of Geology, particu- larly adapted to the American Student. This was published in 1843. The map and sections were all hand-colored, the latter somewhat gorgeously, and in- cluded, aside from those relat- ing to New York Island proper, sections of Staten Island; one across the Palisades on the west side of the Hudson River; one from Stony Point, on the Hud- son River, through Dunderberg Mountain in New York; one from Brenton Reef to Ports- mouth, Rhode Island, and one of Niagara Falls, the latter show- ing the origin of the falls through the gradual undermin- ing of the softer shales and the breaking down of the harder limestones above. The rocks of Manhattan Island proper were classed as (1) granite, (2) syenite, (3) gneiss, (4) hornblende slate, (5) quartz rock, (6) serpen- tine, (7) primitive limestone, and (8) diluvion, nat mus 1904 25. %,. 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 Smithsonian Institution. Board of Regents; U
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