An Introduction to Entomology

WE have no hesitation in commending this book as a clear and thoroughly up-to-date elementary account of the general structure and metamorphosis of insects. It constitutes the first part of a treatise on entomology that the author has in preparation. The section devoted to the external anatomy of insects is particularly valuable.An Introduction to Entomology.By Prof. J. H. Comstock. Part i. Second edition, entirely rewritten. Pp. xviii + 220. (Ithaca, N.Y.: The Comstock Publishing Co., 1920.) Price 2.50 dollars net.