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1. K. Pearson, “Mathematical Contributions to the Theory of Evolution, III” (Philosophical Transactions, 1896-97, pp. 253 et seq.).
2. H. H. Risley and E. A. Gait, Census of India, 1901 (Calcutta, 1903), vol. i, pp. 489 et seq.
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2. Rudolf Martin, Die Inlandstämme der Malayischen Halbinsel (Jena, 1905), pp. 1011-1012.
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1. R. H. Lock, Recent Progress in the Study of Variation, Heredity and Evolution (1906); Bateson, Mendelism.