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  1. Observations in natural history : with an introduction on habits of observing, as connected with the study of that science ; also a calendar of periodic phenomena in natural history ; with remarks on the importance of such registers /
    By: Jenyns, Leonard,
    Publication info: London :John van Voorst,1846.
    Contributed by: University of Pittsburgh Library System (
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  2. The zoology of the voyage of H.M.S. Beagle, under the command of Captain Fitzroy, R.N., during the years 1832 to 1836 : Published with the approval of the Lords Commissioners of Her Majesty's Treasury /
    By: Bell, Thomas, - Curtis, Charles M., - Darwin, Charles, - Eyton, T. C. - Fitzroy, Robert, - Gould, Elizabeth, - Gould, John, - Gray, George Robert, - Hawkins, B. Waterhouse - Hullmandel, Charles Joseph, - Jenyns, Leonard, - Owen, Richard, - Scharf, George, - Swaine, John, - Waterhouse, G. R. - Great Britain.
    Publication info: London :Published by Smith, Elder and Co., 65 Cornhill,1839-1843.
    Contributed by: Smithsonian Libraries
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