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smithsonian libraries period science plants bone mémoires de l'académie impériale des sciences de st.-pétersbourg. 7e série. ser.7:t.27 (1880)mémoires de l'académie impériale des sciences de st.-pétersbourg. 7e série. ser.7:t.20 (1873)shell bird insects

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salamander science

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butterfly insects

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butterfly insects

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butterfly insects

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