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(18) Moller, A. 



1904. tiber die Notwendigkeit und Moglichkeit wirksamer Bekampfung det 

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(19) 1907-8. Die Blaufaule des Nadelholzes. In Naturw. Ztschr. Land u # 



Forstw., Jahrg. 5, Heft 11, p. 531-573, fig. 1-28, 1907; Jahrg. 6* 

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(20) 1909. Untersuchungen fiber Immunitat und Krankheitsempfanglichkeit der 



Holzpflanzen. In Naturw. Ztschr. Forst u. Landw., Jahrg. 7, 

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(21) 1910. tiber Krankhafte Kernbildung. In Naturw. Ztschr. Forst u. Landw., 



Jahrg. 8, Heft 11, p. 533-547, illus. ; Heft 12, p. 553-569, 2 fig. 



(22) 1910. Versuche uber Baumkrankheiten. In Naturw. Ztschr. Forst u. 



Landw., Jahrg. 8, Heft 8, p. 389-408, 3 pi. ; Heft 9, p. 425-447, fig. 18. 



(23) 1915. Untersuchungen fiber Eichenkrankheiten. In Naturw. Ztschr. Forst 



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(24) Murrill, W. A. 



1915. Western Polypores. 36 p. 



(25) Plummer, F. G. 



1912. Lightning in relation to forest fires. U. S. Dept. Agr. Forest Serv. Bui. 

 Ill, 39 p., 16 fig. 

 Schrenk, Hermann von. 



(26) 1900. A disease of Taxodium known as peckiness, also a similar disease of 



Libocedrus decurrens. In Mo. Bot. Gard. 11th Ann. Rpt., p. 23-77, 

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(27) 1901. Fungous diseases of forest trees. In U. S. Dept. Agr. Yearbook, 1900, 



p. 199-210, pi. 21-25. 



(28) 1902. Notes on diseases of western conifers. In Science, n. s., v. 16, no. 



395, p. 138. 



(29) 1903. The brown-rot disease of the redwood. In U. S. Dept. Agr., Bur. 



Forestry. Bui. 38, p. 29-31. 



(30) Sudworth, G. B. 



1908. Forest trees of the Pacific slope. 441 p., illus., 15 fold, pi., maps. 

 Published by the U. S. Dept. Agr. Forest Serv. 

 Weir, J. R. 



(31) 1915. Some observations on abortive sporophores of wood-destroying fungi. 



In Phytopathology, v. 5, no. 1, p. 48-50. 

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(32) 1918. A study of heart-rot in western hemlock. U. S. Dept. Agr. Bui. 722 } 



39 p., 13 fig. 



(33) 1919. A study of the rots of western white pine. U. S. Dept. Agr. Bui. 



799, 24 pp. 



