Produced by Bryan Ness, Keith Edkins and the Online Distributed Proofreading Team at https://www.pgdp.net (This file was produced from images generously made available by The Internet Archive/American Libraries.) THE PRIMARY FACTORS OF ORGANIC EVOLUTION. By _Prof. E. D. Cope_. Cuts, 121. Pp., xvi, 547. Cl., $2.00 (10s.).…
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