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  1. The oyster-shell scale and the scurfy scale /
    By: Quaintance, A. L. (Altus Lacy) - Sasscer, E. R. (Ernest Ralph), - United States. Office of Experiment Stations.
    Publication info: Washington, D.C. :U.S. Dept. of Agriculture,1910.
    Contributed by: University of Florida, George A. Smathers Libraries
    Subjects: Oyster-shell scale  Scurfy scale  
    BHL Collections: Expanding Access to Biodiversity Literature
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  2. Two common scale-insects of the orchard : the scurfy bark-louse, the oyster-shell bark-louse /
    By: Britton, Wilton Everett,
    Publication info: [New Haven] :Connecticut Agricultural Experiment Station,1903.
    Contributed by: University of Connecticut Libraries (archive.org)
    Subjects: Diseases and pests  Fruit  Lepidosaphes  Scurfy scale  
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