New Haven: Durrie & Peck, 1846. First Separate Edition. Octavo (23cm.); original pale yellow wrappers printed within decorative border; 80pp.; engraved portrait frontispiece and one additional plate, pink tissue guards. Wrapper extremities a bit chipped and worn with shallow loss at spine crown, general dust-soil, else Very Good, internally fine. Lengthy biographical article first published in the "American Journal of Science," 1832. Missed by Sabin.