Insects 



345 



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Stern, C. 1941a The growth of testes in Droso- 

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— - 1941b The growth of testes in Drosophila. 



II. The nature of interspecific differences. J. Exp. 

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Vogt, M. 1946a Zur labilen Determination der 

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1947a Zur labilen Determination der 



1947b Beeinflussung der Antennendif- 



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Waddington, C. H. 1942 Growth and determina- 

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Wigglesworth, V. B. 1934 The physiology of 

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1936 The function of the corpus allatum 



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