MORPHOGENESIS 817 



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Willis, H. S. 1916. The influence of the nucleus on the behavior of Amoeba. 

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Woodruff, L. L. 1905. An experimental study of the life history of hypo- 

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1913. Cell size, nuclear size and the nucleocytoplasmic relation dur- 

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1921. Micronucleate and amicronucleate races of infusoria. J. exp. Zool., 



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Young, D. B. 1922. A contribution to the morphology and physiology of the 

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1926. Nuclear regeneration in Stylonychia mytilus. Biol. Bull., 51: 



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Young, Dixie. 1939. Macronuclear reorganization in Blepharis/jia undulans. 

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