THE GENUS DENDEOCTONUS. 167 



1879. Peck, 0. H.— Report of the Botanist. 28th Ann. Rep. N. Y. State Mus. Nat 

 Hist., pp. 32-38. 



1881. EicHHOFP, W. — Die europiiischen borkenkafer, pp. 37, 125-128, Berlin. 



1SS2. Hough, F. B.— Report on Forestry, submitted to Congress by the Com- 

 missioner of Agriculture, Part YIII, Insect ravages, pp. 25»-274. 1. The 

 injuries done to spruce and other coniferous timber by insects. 



1885. LiNTNER, J. A.— Second report on the injurious and other insects of the 

 State of New York, p. 54, Albany. 



1887. Fletcher, J.— The spruce barkbeetle {D. ru/pm?iis).< Appendix to the 

 Report of the Minister of Agriculture. Report of the Entomologist and 

 Botanist, pp. 39, 40. 



1887. Packard, A. S. — Insects injurious to forest and shade trees. <Bul. 7, U. S. 



Ent. Comm., pp. 175-177, 243. 



1888. ScHWARZ, E. A.— Proc. Ent. Soc. Wash., I, No. 1, p. 175. 



1889. JuDEiCH, J. T., und NrrscHE, H.— Lehrbuch der mitteleuropaischen foists 



insektenkunde, pp. 458-462, Wien. 



1890. DiETZ, W. G.— Notes on the species of Dendroctonus of boreal America.< 



Trans. Amer. Ent. Soc, X^'II, pp. 27-32. 



1890. Packard, ,\u>heds S.— Insects injurious to forest and shade trees. Revision 



and enlaced edition of Bui. 7.<5th Rep. U. S. Ent. Comm., U. S. Dept. 

 Agr., pp. 721-722, 814-822, 903. 



1891. Harringtox, W. Hague.— General notes.<Can. Ent., XXIII, No. 2, p. 27. 



Ibid, Science, XX, pp. 256, 257, November 4, 1892. 



1892. Pauly, a.— tjber die brutpflege imd jahrliche geschlechterzahl des riesen- 



bastkafers, HyksinvJs micans Ratz.<Forstlich-naturwissenschaftliche Zeit- 



schrift, I. Jahrgang, pp. 315-327. 

 1892a. Hopkins, A. D. — Notes on a destructive forest tree scolytid.<Science, XX, 



pp. 64-65, July 29. 

 18926. Hopkins, A. D.— Proc. Ent. Soc. Wash., II, p. 353, October 6. 

 1892. ScHAUFUss, C. F.— Barkbeetle destroyer.<Can. Ent., XXH', No. 12, p. 316. 

 1893a. Hopkins, A. D. — Dam^e to forests by the destructive pine barkbeetle.<Ins. 



life, V, No. 3, pp. 187-189, January. 

 18936. HoPKixs, A. D. — Catalogue of West Virginia Scolytidae and their enemies.< 



Bui. 31, W. Va. Agr. Exp. Sta., p. 76, April. 

 1893c. Hopkins, A. D. — Catalogue of the West Virginia forest and shade tree insects.< 



Bui. 32, W. Va. Agr. Exp. Sta., pp. 174, 186, 188, 203, 213, 219, 225, 226, May. 

 1893d. Hopkins, A. D. — Destructive scolytids and their imported enemy. <;Ins. 



Life, \l. No. 2, pp. 123-129, December. 

 1894. Lintner, J. A.— Gardening, II, p. 292, May 15. 

 1894a. Hopkins, A. D. — Destructive scolytids and their imported enemy. <24th Ann. 



Rep. Ent. Soc. Ontario, pp. 71-76. 

 1894c Hopkins, A. D. — The relations of insects and birds to present forest condi- 



tions.-<Garden and Forest, VII, p. 348. 



1896. Hopkins, A. D. — Some notes on insect enemies of trees.-<Can. Ent., XXr\'III, 



No. 10, pp. 246, 250, October. 



1897. Menegaux, A., et Cochon, J. — Sur la biol(^e de I'Hyl^sine briUant.<;C. R. 



Acad. Sci. Paris, Tome 124, No. 4, pp. 206-209 (Abstr. Joum. R. Micr. Soc. 



Lond., pt. 2, p. 120). 

 1897a. Hopkins, A. D. — Report of Entomologist.<6th Ann. Rep. W. Va. Agr. Exp. 



Sta. for the fiscal year ending June 30, 1893, pp. 29-41. 

 18976. Hopkins, A. D. — Report of Entomol(^st.<7th Ann. Rep. W. Va. Agr. Exp. 



Sta. for the fiscal year ending June 30, 1894, pp. 35-36. 



