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Lecture IV., 4, 5, 6, 7. 



11. Priestley, J. Experiments and Observations on 



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12. Harvey-Gibson, R. J. Pioneer Investigators in Photo- 



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Lecture V., 4, 5, 6, 7, 10. 



14. Scott, D. H. Presidential Address. Proc. Linn. Soc, 



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15. VoN MoHL, H. The Vegetable Cell. London, 1852. 



Lecture VI, , 7, 14. 



16. Bower, F. O. The Origin of a Land Flora. London, 



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17. Campbell, D. H. Mosses and Ferns. London, 1905. 



18. HoFMEiSTER, W. The Higher Cryptogamia. Ray 



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 . 19. Reynolds Green, J. History of Botany. Oxford, 1909. 



20. Seward, A. C. Fossil Plants. Cambridge, 1897-1919. 



21. Ward, L. Sketch of Palaeobotany. U.S. Geological 



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22. Darwin, C. On the Origin of Species by means of 



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23. Darwin, F. The Life and Letters of Charles Darwin. 



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24. Huxley, T. H. Darwiniana. London, 1893. 



25. Wallace, A. R. Natural Selection and Tropical 



Nature, London, 1891. 



Lecture VII. , 16, 17, 18, 19. 



26. Bower, F. O. Botany of the Living Plant, London, 



1919. 



27. Coulter, J. M., and Chamberlain, C. J. Morphology 



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28. Lang, W. H. An Ontogenetic Theory of Alternation 



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29. Knuth, p. Handbook of Flower Pollination. Oxford, 



1906. 



Lecture VIII. , 6, 16, 17, 19, 20. 



30. Scott, D. H. Studies in Fossil Botany. London, 1919. 



31. De Bary, a. Comparative Anatomy of Phanerogams 



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32. Haberlandt, G. Physiological Plant Anatomy. London, 



1914. 



