31 
Hopkins, A. D. The San Jose or pernicious scale (Wesi Virginia Farm Reporter, 
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pp. 860-864, 3 figs.) 
Symposium. Spreading the San Jose scale; are certificates from entomologists 
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United States, with a full account of its life history and the remedies to be 
used against it. (Bull. No. 3, n. s. Div. Ent. U. S. Dept. Agric, Feb., 1898, 
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FORBES, S. A. The San Jose scale in Illinois. (20th Rept. Sta. Entom. 111., Feb., 
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Emory, R. S. Experiences with the San Jose scale. (Trans. Penin. Hortic. Soc, 
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Jan., 1898, pp.62. 
