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82* Davenport, C. B. 575.2. 



1905. The Origin of Black Sheep in the Flock. Science N. S. Vol. 22. 

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83*Gadow, E. 575.2. 



1905. Orthogenetic Variation. Science N. S. Vol. 22. p. 637—640. 



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1905. A Note on the Calculation of Certain Probable Errors. Science 

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85* Baker, Frank CoUins. 575.2. 



1906. Application of de Vries's Mutation Theory to the Mollusca. 

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86* Casey, Thos. L. 575.2. 



1906. Variation Versus Mutation. Science N. S. Vol. 23. p. 632. 

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1906. Tables for Facilitating the Computation of Probable Errors. Bio- 



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89* Ortmann, A. E. 575.2. 

 1906. The Fallacy of the Miitation Theory. Science N. S. Vol. 23. 

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90*Pearson, Karl. 575.2. 

 1906. A Rejoinder to Professor Kapteyn. Biometrika Vol. 5. p. 168 

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91* Simroth, Heinrich. 575.2. 

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92*Yule, Udny. 575.2. 



1906. On the Influence of Bias and of Personal Equation in Statistics 

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1907. A Biometrical Study of Conjugation in Paramecium. Biometrika 

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10. XL 1907. 



