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 Author(s): Riley, Charles V. (Charles Valentine), 1843-1895, author Publication: [Salem, Mass.?] : Salem Press, July, 1883 Subject(s): PollinationDiapause, InsectInsecticides