126 § MISCELLANEOUS PUBLICATION NO. 725, U.S. DEPARTMENT OF AGRICULTURE 
Spradling, Mae, --SEE Chidester, Mae Spradling. 
Stearns, J. L., and Hartley, Carl, 1907 
1952, Physico-chemical methods for wood diagnosis, 
Forest Prod, Res. Soc. Jour. 2 (4): 58-61, 
Reprinted in Wood Research (TECO) 12, 15 pp., illus. 
Apr. 1953. 
Stevens, Neil E, a 1908 
1916. Recovery of a chestnut tree from a lightning stroke. 
Phytopathology 6: 204-206, 
Stevens, Neil E, 1909 
1917, The influence of certain climatic factors on the de- 
velopment of Endothia parasitica (Murr, ) And, 
Amer, Jour.) Bot. 451-32, 
Stevens, Neil E, 1910 
1917, The influence of temperature on the growth of 
Endothia parasitica, Amer. Jour, Bot, 4: 112-118, 
Stevens, Neil E, LOLS 
1917. Some factors influencing the prevalence of Endothia 
gyrosa, Torrey Bot, Club Bul, 44: 127-144, 
Stevenson, John A, 1912 
1946, James Robert Weir, 1881-1943, Phytopathology 36: 
487-492, photo, 
Stevenson, John A, 1913 
1949, William Henry Long, 1867-1947. Mycologia 41: 
223-228, photo, 
Stewart, F..G., and Rankin, Wain. 1914 
1913, Cronartium ribicola and the proscription of Ribes 
nigrum. (Abstract) Phytopathology 3: 73. 
Stewart, F.) Gl, and Rankin, Ws.H. 1915 
1914, Does Cronartium ribicola over-winter on the currant? 
N.Y. Agr. Expt, Sta. Bully (37420-2155 albus: 
Stout, Donald C, 1916 
1948, Viruslike symptoms associated with birch dieback, 
N. Y. Forester 5(1l): 9. 
Studhalter, R. Az; and Heald: F...D; 1917 
1913, Preliminary note on birds as carriers of the chest- 
nut blight fungus. Science 38: 278-280. 
Studhalter, R. A., and Heald, F. D. LOE 
1915, The persistence of viable pycnospores of the chest- 
nut blight fungus on normal bark below lesions, 
Amer. Jour. Bot, 2: 162-168, 
Studhalter, R. A., and Ruggles, A. G. 1919 
1915, Insects as carriers of the chestnut blight fungus, Pa, 
Dept; .Forestry, BulviiZs. 33. pp: 
Swingle, Roger U., 1920 
1936, A preliminary note on sexuality in Ceratostomella 
ulmi, Phytopathology 26: 925-927, 
Swingle, Roger U. 1921 
1938, A phloem necrosis of elm, Phytopathology 28: 757- 
tog. 
Also in Arborist's News 3 (10): 1-2. Oct. 1938. 
Swingle, Roger U. 1922 
1940, Phloem necrosis in the Ohio River Valley. (Abstract) 
Phytopathology 30: 23, 
Swingle, Roger U. 1923 
1942, Phloem necrosis, a virus disease of the American 
elm: U.S. Dept. Agr... Cir, 640), S\ pp. aliue: 
