Notes: | Illustrated by the author's original drawings, with directions for the arrangement of a microscope, and the collection and mounting of objects. Publisher's advertisements: 4 p. (at end) Includes bibliographical references and index. Digital version available with no restrictions Unrestricted online access Also available as electronic reproduction. Chicago : University of Chicago Library, [2007] Master and use copy. Digital Master created according to Benchmark for Faithful Digital Reproductions of Monographs and Serials, Version 1. Digital Library Federation, December 2002 http://www.diglib.org/standards/bmarkfin.htm digitized 2007 University of Chicago Library committed to preserve
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