— 48 — 



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1908. 



Romanes, G., Darwin and after Darwin» 1895. 



Smith, G.. High and low dimorphism. Mitt. Zool. St. Neapel. 17. 1905. 



Tower, W. L., An Investigation of Evolution in Chrysomelid Beetles of 

 the Genus Leptinotarsa. Carnegie Institution Publications. Washing- 

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Vernon, H. H., Variation in Animals and Plants. 1907. 



Vries, H. de, Eine zweigipflige Variationskurve. Arch. f. Entwm. 2. 1895. 



Weldon, W. F. R., -On certain Correlated Variations in Carcinus maenas. 

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— , Report of the Committee for Conducting Statistical Inquiries into the 

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— , Address to the Zoological Section of the British Association for the 

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2. Zur weiteren Orientierung. 



Siehe die gleichen Werke wie in der 1. Vorlesung. 



