MODIFICATION OF THE GERM-CELLS IN MAMMALS 225 



LITERATURE CITED 



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Bardeen, C. R. 1907 Abnormal development of 'toad ova fertilized by sper- 

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Cole, L. J., and Davis, C. L. 1914 The effect of alcohol on the male germ cells, 

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Cole, L. J., and Bachhuber, L. J. 1914 The effect of lead on the germ cells 

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Elderton, E. M., and Pearson, K. 1910 A first study of the influence of pa- 

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Gee, Wilson 1916 Effects of acute alcoholism on the germ cells of Fundulus 

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Ivanov, J. 1913 Experiences sur la fecondation des mammiferes avec le sperme 

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Pearson, K., and Elderton, E. M. 1910 A second study of the influence of 

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1913 The effect on the offspring of intoxicating the male parent and 

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