60 BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 
827. Hillman, F. H. The woolly aphis of the apple. <Bull. No. 17, 
Nev. Agric. Exp. Sta., July, 1892, pp. 8, figs. 8. 
Treats of Schizoneura lanigera, its enemies and remedies. 
828. Hillman, F. H. Important elm insect. <Bull. No. 28, Nev. 
Agrie. Exp. Sta., November, 1895, pp. 8, figs. 3. 
Notice of Gossyparia ulmi; remedies. 
829. Hillman, F. H. The San Jose scale. <Bull. No. 29, Nev. Agric. 
Exp. Sta., December, 1895, pp. 8, figs. 4. 
General account. 
830. Hills, J. L. Insecticides. <Bull. No. 12, Yt. Agric. Exp. Sta., 
August, 1888, pp. 5. Also in Ann. Kept, for 1888. 
Analyses of several insecticides. 
831. Hine, J. S. Practical spraying at Ohio experiment station in 1891. 
<Journ. Columbus Hortic. Soc., September, 1891, pp. 93-90. 
832. Hine, J. S. The “Army Worm.” <Journ. Columbus Hortic. Soc., 
June and September, 1890, pp. 59-01. 
833. Hinkley, A. A. Fruit bark beetle. <Fruit Growers’ Journal, 
15 April, 1891. 
Will not attack a healthy tree. 
834. Hodgman, F. Poisoning cutworms. <The Michigan Farmer, 24 
October, 1891, p. 200. 
835. Hoehr, F. [Further concerning the new chicken plague in Texas.] 
<Insect Life, v. 5, July, 1893, p. 348. 
Note on Ary as americana. 
830. Holland, W. J. ltavages of Dermestes vulpinus in cork. <Ent. 
News, 1890, p. 08. 
837. Holstein, G. W. [Rypoderma lineata.) <Ent. News, 1893, pp. 
299-300. 
A specimen bred, and notes on species, and on effect on cattle in Texas. 
838. Holstein, G. W. [The Texas heel-fly.] <Inseet Life, v. 1, April, 
1889, pp. 318-319. 
Note on Rypoderma lineata. 
839. Hood, L. E. [The effects of a spider bite on a child.] <Insect 
Life, v. 4, March, 1892, p. 200. 
840. Hood, S. The horticulturist’s worst insect enemy. <Anu. Kept. 
Ohio State Hortic. Soc., 1894, pp. 98-102. 
The aphis. 
841. Hopkins, A. D. [A parasite of Agrilus—The ladybird parasite.] 
<Insect Life, v. 3, August, 1890, pp. 19-20. 
842. Hopkins, A. D. 1. Farm and garden insects. 2. Notes of the 
season. <Bull. No. 14, W. Ya. Agric. Exp. Sta., February, 
1891, pp. 05-79. 
Brief notes on a few insects. 
843. Hopkins, A. D. The raspberry gouty-gall beetle. <Bull. No. 15,, 
W. Ya. Agric. Exp. Sta., March, 1891, pp. 81-84,1 iff. 
Life-history of Agrilus ruficollis. 
