BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
63 
874. Hopkins, A. D. On the study of forest-tree insects. <Proc. Ass. 
Econ. Eutom. Bull. No. 2, u. s. Div. Ent. U. S. Dept. Agric., 
1895, pp. 75-79. <26th Ann. Kept. Ent. Soo. Out., 1895, pp. 
80-83. 
875. Hopkins, A. D. Bark lice. San Jose scale in West Virginia. 
<The National Stockman and Farmer, 23 April, 1896, p. G. 
Notes on the oyster-shell bark-louse and the San Jose scale. 
876. Hopkins, A. D. On the flowering habits of timothy and red 
clover, and the pollenization of the flowers by insects. <Proc. 
17th Ann. Meet. Soc. Prom. Agric. Science, August, 1896, pp. 
35-40. 
877. Hopkins, A. D. Some notes on insect enemies of trees. <Can. 
Entom., October, 1896, pp. 243-250. 
878. Hopkins, A. D. Some notes on observations in West Virginia on 
farm, garden, and fruit insects. <Proc. Ass. Econ. Entom. 
Bull. No. 6, n. s. Div. Ent. U. S. Dept. Agric., 1896, pp. 71-73. 
Notes on the San Jose scale, Cliionaspis furfur us, cutworms, blister beetles, 
chalcicid enemy of clover seed, and bumblebees and red clover. 
879. Hopkins, A. D., and Millspaugh, C. F. Injurious insects and 
plant diseases. <Bull. No. 21, W. Va. Agric. Exp. Sta., April, 
1892, pp. 151-175. 
Insecticides and spraying apparatus. 
880. Hopkins, A. D., and Rumsey, W. E. Practical entomology. 
<Bull. No. 44, W. Va. Agric. Exp. Sta., April, 1896, pp. 253-325. 
Brief characters of a great number of insects injurious to farm and garden 
crops, and the remedies for them. 
881. Hoskins, T. H. Notes from a northern garden. <Garden and 
Forest, 1889, pp. 4 <6-477. 
Ravages of thrips, and Trypeta pomonella. 
882. Hoskins, T. H. The abuse of insecticides. <Garden and Forest, 
1891, p. 247. 
883. Hoskins, T. H. Insecticides and fungicides in the orchard. 
<Garden and Forest, 1892, p. 261. 
884. Hough, W. Ants transplanting the scale bug. <Science, 26 
October, 1888, p. 204. 
885. Howard, L. O. The sugar-cane beetle injuring corn. <Insect 
Life, v. 1, July, 1888, pp. 11-13. 
Damage to corn by Ligyrus rugiceps. 
886. Howard, L. O. The chinch bug in 1888. <Insect Life, v. 1, July, 
1888, p. 31. 
887. Howard, L. O. The yellow-spotted willow-slug. <Insect Life, 
v. 1, August, 1888, pp. 33-37, 1 tig. 
A detailed account of Nematus ventralis. 
888/ Howard, L. O. Heat evolved from the work of a Bruclius. <Insect 
Life, v. 1, August, 1888, pp. 59-60. 
Note on Bruclius scutellaris. 
