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903. Phenoxathiin, promising insecticide; by Llovd E. Smith.

907. Insects. More important insect records, Sept. 1942.

908. Rotenone. Review of insecticidal uses of rotcnone and rotenoids from Derris Lonchocarpus (cube and Umbo), Tephrosia, and related plants: pt. 1, Collembola, Orthoptera, Dermaptera, Odonata, Isoptera, Corrodcntia, and Mallophaga [with list of literature cited]; by R. C. Roark.