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Start Over You searched for: Collections Medicine in the Americas, 1610-1920 Remove constraint Collections: Medicine in the Americas, 1610-1920 Subjects Insecticides Remove constraint Subjects: Insecticides Authors Riley, Charles V. (Charles Valentine), 1843-1895, author Remove constraint Authors: Riley, Charles V. (Charles Valentine), 1843-1895, author

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1. Observations on the fertilization of yucca and on structural and anatomical peculiarities in Pronura and Prodoxus: The hibernation of aletia xylina (say), in the United States a settled fact ; Emulsions of petroleum and their value as insecticides