30 
CORNELL UNIVERSITY 
1890. The clematis disease, or nematodes infesting plants. (In Western N. Y. 
Hortic. Soc. Proceedings of the 35th meeting. Jan., 1890, p. 7). 
Report of the entomologist. (In Cornell University—Agricul. Experiment 
Station. Report 1889. p. 19. Ithaca, N. Y., 1890). 
Insects injurious to fruits. (Cornell University — Agricultural Experiment 
Station. Bulletin, Dec., 1890, No. XXIII, p. 103, illus.) Senior author with 
M. V. Slingerlknd. 
On the study of “bugs” (N. Y. Ledger, 1 March, 1890). 
Beneficial insects. (N. Y. Ledger, 8 March, 1890). 
On the destruction of insects. (N. Y. Ledger, 15, 22 March, 1890.) 
The more important pests of the apple. (N. Y. Ledger, 29 March, 1890). 
Some common garden pests. (N. Y. Ledger, 5 April, 1890). 
1891. Report of the entomologist (In Cornell University—Third Ann. Report 
of the Agri. Exper. Station, 1890, p. 35, Ithaca, N. Y., 1891). 
Wireworms; results of efforts to discover a practicable method of preventing the 
ravages of these pests, and a study of the life history of several common 
species (Cornell University — Agricultural Experiment Station, Bulletin, Nov., 
1891, No. 33, p. 193. Ulus.). Senior Author with M. V. Slingerland. 
1892. Report of lecture before the California Zoological Club, Jan. 30, 1892. 
Zol, Vol. Ill, pp. 84-86. 
The descent of the Lepidoptera; an application of the theory of natural selection 
to taxonomy. (In Amer. Assoc, for the Advancement of Science. Proc., 
1842, Vol. XLI, p. 199). 
1893. Evolution and taxonomy; an essay on the application of the theory of 
natural selection in the classification of animals and plants, illustrated by a 
study of the evolution of the wings of insects, and by a contribution to the 
classification of the Lepidoptera. (In Wilder Quarter-Century Book, 1893, 
pp. 37-113. Ulus.). 
1895. A manual for the study of insects. Ithaca, N. Y., 1895, pp. x + 701, 
6 plates and 798 wdcts. Senior author with Mrs. Anna Botsford Comstock. 
The elements of insect anatomy. An outline for the use of students in entomologi¬ 
cal laboratories. Ithaca, N. Y., 1895, pp. iv + 96, Figs. Senior author with 
Vernon L. Kellogg. 
Same. Revised Ed. Ithaca, N. Y., 1899, pp. 134. 
Same. Third Ed. revised, Ithaca, N. Y., 1901, pp. 145. 
The significance of the B.A. and Ph.B. degrees. Privately printedfor theuseof 
the faculty of Cornell University. Ithaca, N. Y., 1895. 
1899. The wings of insects. A series of articles on the structure and develop¬ 
ment of the wings of insects, with special reference to the taxanomic value of 
the characters presented by the wings. Reprinted from The American 
Naturalist, with the addition of a table of contents. 124 pages, 90 figures. 
Ithaca, N. Y., 1899. Senior author with James G. Needham. (The articles 
appeared originally in The American Naturalist, Vol. XXXII, (1898), pp. 
43. 81, 23/, 237, 240, 243, 249, 253, 256, 335, 413, 420, 423, 561, 769, 774, 903; 
Vol. XXXIII, (1899), pp. 118, 573, 845, 851, 853, 858.] 
Insect life. An introduction to nature-study and a guide for teachers, students, 
and others interested in out-of-door life. New York, 1897, pp. 14 + 349. 
6 plates and 252 wdcts. 
