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  1. By: Curran, Charles Howard, - Fluke, Charles Lewis, - Shannon, R. C. (Raymond Corbett),
    Publication info: New York City The American Museum of Natural History [1940]
    Holding Institution: American Museum of Natural History Library
    Subjects: Brazil  Classification  Eristalis obligus  Guyana  Insects  Mallota  Microdon  South America  Syrphidae