How Our Ancestors in the Stone Age made their Implements
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Colorado Plants
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Mold as an Insect Destroyer
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Notes on Pacific Coast Fishes and Fisheries
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The Fertilization of Our Native Species of Clitoria and Centrosema
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Clark's Anatomy and Physiology of the Lucernariae
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Recent Books and Pamphlets
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Botany
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Zoology
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Anthropology
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Geology and Palaeontology
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Geography and Travels
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Microscopy
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Scientific News
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Proceedings of Scientific Societies
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Selected Articles in Scientific Serials
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