WORKS ON ECONOMIC ENTOMOLOGY. 111 
Ler Baron, W.—Reports of the state entomologist of Illinois. I-IV. 
Springfield, 1871-1874. 
Tuomas, Cyrus.—Reports of the state entomologist of Tlinois. 
I-VI. Springfield, 1876-1881. 
Lintner, J. A.—Reports of the state entomologist of New York. 
I-XT1I. Albany, 1882-1897. Continued by E. P. Felt. : 
Forses, S. A.—Reports of the state entomologist of Tlinois. I- 
XXIV. Springfield, 1883-1908. 
Saunpers, W.—Insects injurious to fruits. Philadelphia, 1883. 2d 
edition, 1909. 
Smirn, J. B.—Our insect friends and enemies. Philadelphia, 1909, 
pp. 314. 
Sanperson, E. D.—Insects injurious to staple crops. New York, 
1902, pp. 295. 
CuiTrenpeN, F. H.—Insects injurious to vegetables. New York, 
L307, pp. 262. 
Jounson, W. G.—Fumigation methods. New York, 1902, pp. 313. 
Sairn, J. B.—Economic entomology. Philadelphia, 1896. Second 
edition, 1906. 
Weep, C. M.—Insects and insecticides. Hanover, N. H., 1891. 
Reports of the Entomologists of the U. S. Department of Agricul- 
ture, T. Glover (1863-1878) ; J. H. Comstock (1879-1880) ; C. V. 
Riley (1878-1879, 1880-1894) ; L. O. Howard (1894, to date). 
Reports and Bulletins of the U. S. Entomological Commission. 
Buttetins on entomological subjects of the various experiment sta- 
tions. Many of them can still be obtained on application. 
Curtis, Joun.—Farm insects. London, 1860. 
Ormerop, EK. A.—Manual of injurious insects, and methods of pre- 
vention. London and Edinburgh, 1881. 
Handbook of insects injurious to orchard and bush fruits. 
London, 1898. 
Kattensacu, J. H.—Die Pflanzenfeinde aus der Classe der Insekten. 
Stuttgart, 1874. 
A useful work for determining what insects infest plants in Hurope. 
Rarzesure, J. T. C—Die Forst-Insekten. Berlin, 1839-1844, 3 vols. 
Jupricn, J. F. u. Nrrscur, H.—Lehrbuch der Mitteleuropaischen 
Forstinsektenkunde. Vienna, 1895, 2 vols. 
Gittanpers, A. T.—Forest entomology. Edinburgh, 1908, pp. 422. 
Borspuvar, J. A.—Essai sur l’entomologie horticole. Paris, 1867, pp. 
648. 
Lucrr, E.—Les insectes nuisibles aux rosiers. Paris (2nd edition), 
1900, pp. 380, pls. 13. 
