. The citricola scale. Citrus; Scale insects. 412 UNIVERSITY OF CALIFORNIA EXPERIMENT STATION. o> be u 'a ho £ o GO s <u o S3 O •pH O Ph «5 hb • rH. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Quayle, H. J. (Henry Josef), 1876-. Berkeley, Cal. : Agricultural Experiment Station

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectcitrus, bookyear1915