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Darwinism : An Exposition of the 



Theory of Natural Selection . 3rd . 

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The World of Life : A Manifesta- 

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Ward, J.^ Heredity and Memory. 

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Wasmann , E . The Problem of Evol- 

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Weismann, A. Essays upon Hered- 

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The Germ Plasm : A Theory of 



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Wilson , J . A Manual on Mendelism . 

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x. CYTOLOGY. 



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xi. MICROSCOPY. 

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Carpenter, W. B. The Microscope 

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Cross, M. I., and Cole, M.J. Mod- 

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Ealand , C . A . The Romance of the 

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Hall , C . A . How to Use the Micro- 

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Naegeli, C., and Schwendener, S. 

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