112 College of Forestry 
HAMILTON, JOHN, 1894 a. 
Catalogue of the Coleoptera Common to North America, Northern 
Asia, and Europe, with distribution and bibliography (second 
edition). 
Trans. Ent. Soc., Vol. 21, pp. 345-415. 
HAMILTON, JOHN, 1895. 
Catalogue of the Coleoptera of Southwestern Pennsylvania, with 
Notes and Descriptions. 
Trans. Ent. Soc., Vol. 22, pp. 317-381. 
HARRINGTON, W. H., 1891. 
Notes on a Few Canadian Rhynchophora. 
Canad. Ent., Vol. 23, pp. 21-27. 
HARRINGTON, W. H., 1896. 
Some Beetles Occurring upon Beech. 
Ent. Soe. Ontario, Rept. 27, pp. 69-75. 
Harris, T. W., 1862. 
Insects Injurious to Vegetation. 
Flint edition, 278 figs., 8 plates, pp. 1-629. 
Hewitt, C. Gorpon, 1912. 
The Large Larch Sawfly. 
Dominion of Can., Dept. of Agri. Bull. No. 10, Second Series. 
Hopkins, A. D., 1892. 
Some Bred West Virginia Braconide. 
Insect Life, Vol. 4, pp. 256-259. 
Hopxins, A. D., 1893. 
Catalogue of West Virginia Scolytide and Their Enemies. 
Bull. W. Va. Exp. Sta., No. 31, pp. 121-168. 
Hopkins, A. D., 1893 a. 
Catalogue of West Virginia Forest and Shade Tree Insects. 
Bull. W. Va. Agr. Exp. Sta., No. 32, pp. 171-251. 
Hopxins, A. D., 1893 b. 
Notes on Timber-worms. 
Proc. Ent. Soc. Wash., Vol. 3, p. 82. 
Hopxins, A. D., 1898. 
Notes on Scolytide, with Descriptions of New Species. 
Proc. Ent. Soc. Wash., Vol. 4, pp. 81-82, 343. 
Hopxins, A. D., 1899. 
Report on Investigations to Determine the Cause of Unhealthy 
Conditions of the Spruce and Pine from 1880-1893. 
Bull. W. Va. Agr. Exp. Sta., No. 56, pp. 197-461, 99 figs. 
Hopkins, A. D., 1909. 
Bark Beetles of the Genus Dendroctonus. 
Bull. U. S. Dept. Agr., Bur. Ent., No. 83, part 1, pp. 1-169. 
