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XVII. Chemisches, Pharmaeeutisches. 



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XVIII. Angewandte Botanik, Methoden. 



Aleock, N. H. 1907. A simple apparatus for photomicrography. (Sc. 

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Richter, O. 1907. Die Bedeutung der Reinkultur. Eine Literatur- 

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XIX. Necrologie, Biographie. 



Anonymus. 1907. Dr. Maxwell Tylden Masters, F. R. S. (Orchid 



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Ausgegehen! 19 November lDOT. 



Verlag von Gustav Fischer in Jena. 

 Buchdruckerei A. W. Sijthoff in Leiden. 



