. A mathematical theory of random migration. Animal migration; Evolution; Probabilities. PLATE ,MlzlM9(t>='3A-ina J° a^nipao. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Pearson, Karl, 1857-1936. London, Dulau and co.

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectevoluti, bookyear1906