08 



SOME INSECTS -INJU&IOUS TO EORESTS. 



1894&. 

 1894c. 

 1894d. 

 1894e. 

 1894/. 

 1894fir. 



1894 /(. 

 1895a. 

 1895b. 

 1895c. 



1896a. 



1896&. 



1897. 



1898a. 



18986. 



1898c. 

 1898d. 

 1898e. 

 1899a. 

 18996. 



1899c. 



1900« 

 19006 



Hopkins, A. D. — Black holes in wood. <Bi]l. .36, W. Va. Agr. Exp. Sta., 

 pp. 311-336, 43 figs., 2 pis., February. 



Hopkins, A. D. — The relations of insects and birds to present forest con- 

 ditions. < Garden and Forest, p. 348. 



Hopkins, A. D. — Insect enemies of the yellow poplar. <The Timber- 

 man, pp. 8, figs. 11, July. 



Hopkins, A. D. — Notes on some discoveries and observations of the year 

 in West Virginia. < Insect Life, VII, pp. 145-151, October. 



Hopkins, A. D. — Serious trouble over. <Southern Lumberman; Hard- 

 wood, VI, pp. 270-271, November ; Timberman. 



Hopkins, A. D.— Some interesting conditions in wood resulting from the 

 attack of woodpeckers and insects. Abstract. <Proc. Amer. Assn. 

 Adv. Sci., p. 252. 



Hopkins, A. D. — Fifth report of the entomologist. <7th Ann. Rep. 

 W. Va. Agr. Exp. Sta., pp. 34^4. 



Hopkins, A. D. — Sixth report of the entomologist. <8th Ann. Rep. 

 W. Va. Agr. Exp. Sta., pp. 27-35. 



Hopkins, A. D. — The northern timberworm of the grub species. < South- 

 ern Lumberman, p. 7, 5 figs., January. 



Hopkins, A. D. — On the study of forest-tree insects. <Proc. Assn. 

 Econ. Ent. In Bui. 2, n. s., Div. Ent, U. S. Dept. Agr., pp. 75-79; 

 26th Ann. Rep. Ent. Soc. Ont. pp. 80-83. 



Hopkins, A. D. — Seventh report of the entomologist. <9th Ann. Rep. 

 W. Va. Agr. Exp. Sta., pp. 6&-164, pis. 5, figs. 2, maps 3. 



Hopkins, A. D. — Some notes on insect enemies of trees. <Can. Ent., 

 XXVIII, pp. 243-250, October. 



Hopkins, A. D. — Eighth report of the entomologist. <10th Ann. Rep. 

 W. Va. Agr. Exp. Sta., pp. 42-57. 



Hopkins, A. D. — The periodical cicada in West Virginia. <Bul. 50, W. 

 Va. Agr. Exp. Sta., pp. 46, figs. 23, map 1, January. 



Hopkins, A. D. — On the history and habits of the " wood engraver " 

 ambrosia beetle, Xylehorus xvlographm Say {Xylcborus saxeseni 

 Ratz.). with brief description of different stages. <Can. Ent., 

 XXX. pp. 21-29, pis. 2, February. (=A'//?c6or«s saxeseni Ratz., 

 A. D. H., 1909.) 



Hopkins, A. D. — Insect enemies of the locust tree. <W. Va. Farm Re- 

 view, pp. 88-93, figs. 6, March. 



Hopkins, A. D. — Insects detrimental and destructive to timber products. 

 <Proc. 19th Ann. Meet. Soc. Prom. Agr. Sci., pp. 103-108. 



Hopkins, A. D. — Ninth reiiort of the entomologist. <llth Ann. Rep. 

 W. Va. Agr. Exp. Sta., pp. 32-40. 



Hopkins, A. D. — Tenth report of the entomologist. <12th Ann. Rep. 

 W. Va. Agr. Exp. Sta.. pp. 25-36. 



Hopkins, A. D. — Report on investigations to determine the cause of un- 

 healthy conditions of the spruce and pine from 1880 to 1893. <Bul. 

 56, W. Va. Agr. Exp. Sta., pp. 197^61, figs. 99, April. 



Hopkins, A. D. — Preliminary report on the insect enemies of forests in 

 the Northwest. <Bul. 21. n. s.. Div. Ent., U. S. Dept. Agr., pp. 27, 

 December. 



Hopkins. A. D.— Eleventh report of the entomologist. <13th Ann. Rep. 

 W. Va. Agr. Exp. Sta., pp. 15-17. 



Hopkins, A. D.— The pin-hole borers and how to prevent losses from the 

 ravages of the oak timber worm. < Southern Lumberman, XXVII, 

 No. 427, p. 425. 



