Entomology, with special reference to its Biologiacal and Economic Aspects. —By Justus Watson Folsom, Sc. D., Instructor in Entomology at the University of Illinois, Octavo, pp. 485, five plates and 300 other illustrations. P. Blakiston's Son ' Co., 1012 Walnut Street, Philadelphia (Price$3.00). - Explanation of Terms used in Entomology.— Prepared by John B Smith, Sc. D., Professor of Entomology in Rutgers College, etc. Published by the Brooklyn Entomological Society, Brooklyn, N. Y. (Price, $ …
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