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1916. Piebald Rats and Multiple Factors. Am. Nat., pp. 719-742. 

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1917. Mutation in Three Species of DrosophUa. Genetics, Vol. 1, pp. 

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1916. The Mechanics of Orientation in Gonium. Joum. Exp. Zool., 

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1915. The Role of the Environment in the Realization of a Sex-Linked 



Mendelian Character in DrosophUa. Am. Nat., Vol. 49, pp. 

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1916. A Critique of the Theory of Evolution. (Princeton, Princeton 



of the Genes. Ana*. Becord, pp.* 503-504. 



1917. The Theory of the Gene. Am. Nat., pp. 513-544. 



1918. Evolution by Mutation. Sci. Mo., pp. 46-51, Vol. 7, No. 1. 

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1915. The Mechanism of Mendelian Heredity. (New York, Henry 

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Muller, H. J. 



1917. An CEnothera-\ike Case in DrosophUa. Proc. Nat. Acad. Sci- 

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1912. The Continuous Origin of certain Unit Characters as observed 

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1910. Der Stand der Frage nach der Vererbung erworbener I 

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1912. Das Problem der Vererbung ' < erworbener " Eigenschaften. 

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1917. The Effect of Temperature upon Facet Number in the ba 

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1911. Reversible Sex Mm 



An Investigation of Evolution in the Chrysomelid Beetles 

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