1889. Bibliographical Catalogue of the Described Transformations of North American Lepidoptera. U. S. Nat. Mus., Bull. 35. pp. 147. FELT, E. P. 1905-06. Insects Affecting Park and Woodland Trees. Mem. 8, N. Y. State Mus., Vol. I, pp. 1-332, a435-a459, 1905; Vol. II, pp. 333-877, 1906. Excellently illustrated, and with numerous references. This report and Packard’s Forest Insects form an excellent guide to the life histories and literature of forest insects. 1899. Memorial of Life and Entomologic Work of Joseph Albert Lintner, Ph. D. N. Y. State Mus., Bull. 24, Vol. V, pp. 303-611. Contains an index to Lintner’s thirteen reports as State Entomologist of New York. These reports contain rather full references and good summaries of life histories. FOLSOM, J. W. 1906. Entomology with Special Reference to its Biological and Economic Aspects, pp. 485. Philadelphia. A very useful bibliography is given on pp. 409-466. FORBES, S. A. 1885. General Indexes to the First Twelve Reports of the State Entomologists of Illinois. App. to Fourteenth Rep. State Ent. Ill. pp. 120. Springfield. 1909. Contents and Index of the Reports of the State Entomologist of Illinois, XIII-XXIV. 1884-1908. pp. 157. Office of State Entomologist. FORBES, W. T. M. 1906. Field Tables of Lepidoptera. pp. 141. Worcester, Mass. Keys for the determination of larvæ. 1910. A Structural Study of Some Caterpillars. Ann. Ent. Soc. Amer., Vol. III, pp. 94-132. Contains a very useful bibliography (pp. 125-127). FORBUSH, E. H., and FERNALD, C. H. 1896. The Gypsy Moth. Mass. Board Agr. pp. 495. Boston. Also discusses predaceous and parasitic animals which prey upon the Gypsy Moth. HART, C. A. 1895. On the Entomology of the Illinois River and Adjacent Waters. Bull. Ill. State Lab. Nat. Hist., Vol. IV, pp. 149-284. Keys to immature stages of aquatic insects and many biological observations. HENSHAW, S. 1887. The Entomological Writings of Dr. Alpheus Spring Packard. U. S. Dept. of Agr., Div. Ent., Bull. No. 16. pp. 49. Biological observations. 1889-96. Bibliography of the More Important Contributions to American Economic Entomology, Parts I-V, and index. U. S. Dept. of Agr., Div. Ent. HUBBARD, H. G. 1885. Insects Affecting the Orange. U. S. Dept. Agr., Div. Ent. pp. 227. JOHANNSEN, O. A. 1903, 1905. Aquatic Nematocerous Diptera. N. Y. State Mus., Bull. No. 68, pp. 328-448; Bull. No. 86, pp. 76-327. Immature stages of several families are rather fully treated and valuable references on life histories given. MACGILLIVRAY, A. D. 1903. Aquatic Chrysomelidæ and a Table of the Families of Coleopterous Larvæ. Bull. No. 68, N. Y. State Mus., pp. 288-331. Gives references to the most important papers on the immature stages of beetles. NEEDHAM, J. G., and BETTEN, C. 1901. Aquatic Insects in the Adirondacks. Bull. No. 47, N. Y. State Mus., pp. 383-612. Keys to orders to immature aquatic insects; keys to Mayfly and dragon-fly nymphs. NEEDHAM, J. G.