677 
40 517—40532 Westphal—Wheeler. 
17 Westphal Max. Die Krankheit des Evonymus japonicus (Mollers Deutsoh. 
Gartnerzeit., XXIII, 1908, p. 610). 
18 Wester D. H. Studien iiber das Chitin (Arch. d. Pharm., CCXLVII, 1909, 
p. 282). 
19 Westerdijk Johanna. Pure cultures of fungi (Botan. Gaz., XLVII, 1909, 
p. 241-242). 
20 — Die Mosaikkrankheit der Tomaten (Med. uit het Phytopath. Labor. „Willie 
Gommelin Scholten", Amsterdam 1910, 8°, 20 pp.) tab. 
21 Westergaard Emil. The future development of technical mycology (Journ. 
econ. Biol., III, 1909, p. 118—126). 
22 — On the development of mixed cultures of bacteria and lower fungi in 
liquid and solid media (Proc. R. Soc. Edinburgh, XXIX, 1909, p. 748). 
23 Westling Richard. Byssochlamys nivea, en foreningslank mellan familjerna 
Gymnoascaceae och Endomycetaceae (Svensk Botanisk Tidskrift, III, 
1909, p. 125—136) tab. 
24 — En ny askusbildande Penicillium-Art (Svensk Botanisk Tidskrift, IV, 
1910, p. 139—144) fig. 
25 Westwood J. O. Parasites on plants and animals (Gard. Ohron., 3. ser. IX, 
1891, p. 553). 
20 Weyrach C. F. Abhandlung iiber den Schwamm von Gebauden. Stettin 
(Leich) 1797. 
27 Wheeler C. F. Piant diseases (Alternaria Brassicae, Sclerospora gramini- 
cola, Marsonia perforans, Gloeosporium spec.) (Michigan Agrie. Exper. 
Stat. Rept. 1897, p. 99-100). 
28 Wheeler H. J. and Adams G. E. On the use of sulphur and sulphate of 
ammonia as preventives of potato scab in contaminated soils (Rhode 
Island Agrie. Exper. Stat. Rept. 1897, p. 254—268). 
29 — and Tucker G. M. Potato scab (Rhode Island Agrie. Exper. Stat., Bull. 40, 
1896, p. 80-96) fig. 
30 —, Hartwell B. L. and Moore N. L. C. Upon the after effect of sulphur 
when applied to soils for the purpose of preventing potato scab (Rhode 
Island Agrie. Exper. Stat. Rept. 1899, p. 163—167). 
31 Wheeler W. A. Preliminary experiments with vapor treatments for the 
prevention of the stinking smut of wheat (South Dakota Agrie. Exper. 
Stat., Bull. 89, 1904, 19 pp.) fig. 
32 Wheeler William Morton. The fungus-growing ants of North America and 
a new fungus, Physidiomyces formicarum n. g. et n. sp. (Bull. Americ. 
Mus. Nat. Hist. New York, XXIII, 1907, p. 669—807) tab., fig. 
