64 James Stewart Wiant 



Rathbun-Gravatt, Annie. Direct inoculation of coniferous stems with 

 damping-off fungi. Journ. agr. research 30:327-339. 1925. 



Richards, B. L. A drvrot canker of sugar beets. Journ. agr. research 

 22:47 52. 1921. 



Ridgway, Robert. Color standards and color nomenclature, p. 1-43. 

 1912. 



Rosen, H. R, The control of damping off of cotton seedlings by the use of 

 Uspulun. Science (n. s.) 60:384. 1924. 



Rosenbaum, J., and Shapovalov, M. A new strain of Rhizoctonia solani 

 on the potato. Journ. agr. research 9:413-420. 1917. 



Sibilia, C. Due specie di ' Fusarium ' parassite di piantine di conifere: 

 Fusarium fuliginosporum n. sp. e F. echinosporum n. sp. [Two species of 

 Fusarium parasitic on conifer seedlings: Fusarium fuliginosporum n. sp. 

 and F. echinosporum n. sp.] (Rev. in Rev. appl. mycol. 6:7. 1927.) Sup. 

 Agric. Forestale. 1st Ann. R. 2: 1 : 77-97. 1925. 



Small, T. Rhizoctonia "foot-rot" of the tomato. Ann. appl. biol. 14: 

 290-295. 1927. 



Spaulding, Perley. The treatment of damping-off in coniferous seed- 

 lings. U. S. Plant Indus. Bur. Circ. 4 : 1-8. 1908. 



The damping-off of coniferous seedlings. Phytopath. 



4:73-88. 1914. 



Thomas, H. E. Some chemical treatments of soil for the control of damp- 

 ing-off fungi. Phytopath. 17:499-506. 1927. 



Thomas, K. Simon. Onderzoekingen over Rhizoctonia. Thesis for 

 degree of doctor of mathematics and natural science, University of 

 Utrecht, p. 1-97. 1925. 



Toumey, J. W. , and Li, T. T. Nursery investigations with special reference 

 to damping-off. Yale Univ., School of Forestry. Bui. 10: 1-36. 1924. 



Waksman, Selman A. Soil fungi and their activities. Soil science 

 2:103-156. 1916. 



Wiant, J. Stewart. Soil treatments for the control of damping-off in 

 coniferous seed-beds. (Abstr.) Phytopath. 17:51-52. 1927. 



Memoir 118, Wheat Prices and the World Wheat Market, the sixth preceding number in this series of 

 publications, was mailed on April 8, 1929. 



Memoir 119, Prices of Fertilizer Materials, and Factors Affecting the Fertilizer Tonnage, was mailed on 

 April 17, 1920. 



Memoir 120, A Physiological Study of Dormancy in Vetch Seed, was mailed on April 8, 1929. 



Memoir 121, Variation and Correlation in the Appendages of the Honeybee, was mailed on March 29, 

 1929. 



