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By "Jenyns, Leonard, 1800-1893"
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 (archive.org)