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  1. By: Cooley, R. A. (Robert Allen), - Schneirla, T. C. (Theodore Christian),‏ ‎
    Publication info: New York City, The American Museum of Natural History, [1947]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.54,2D(72)  Arachnida  Chiapas  Classification  Dermacentor dissimilis  Horses  Ixodidae  Mexico  Parasites  Ticks