BIBLIOGRAPHY 
AERIAL TRAMS 
Anonymous: A Newly Patented Aerial Logging Railway. Western Lum- 
berman, Toronto, Ontario, Canada, December, 1912, pp. 40-41. 
Anonymous: Heavy Duty Cable Tramway. The Timberman, Sept., 1914, 
pp. 31 and 32 B. 
FoRSTER, G. R. : Das forstliche Transportwesen, Wien, 1888, pp. 242-250. 
FujiOKA, M.: Notes on Aerial Wire Tramway. Tokyo, Japan, 1915. 
Gayer, Karl: Forest Utilization. (Schlich's Manual of Forestry*, 2nd. 
edit., pp. 346-352; translated from the German by W. R. Fisher.) 
Bradbury, Agnew and Company Ltd., London, 1908. 
Jones, T. P.: Experience with a Cable Tramroad. The Timberman, Oct., 
1913, pp. 29 to 32. 
Nestos, R. R.: Aerial Snubbing Device. The Timberman, Portland, 
Oregon, April, 1912, p. 49. 
Newby, F. E. : Handling Logs on Steep Ground with a Gravity Cable 
System. Ths Timberman, August, 1910, pp. 31-32. 
Riley, F. C: The Opsal Aerial System. The Timberman, Sept., 1914, 
pp. 33 and 34. 
Rogers, C. G.: Note on the Setikhola Wire Ropewaj-. Indian Forester, 
Feb. 1902, Vol. XXVIII, No. 2, pp. 69-73. 
Steinbeis, Ferdinand: Die Holzbringung ira bayerischen Hochgebirge 
unter den heutigen wirtschaftUchen Verhaltnissen, Munchen, 1897, 
pp. 31-39. 
Wettich, Hans: Moderne Transportanlagen im Dienste der Holzgewinnung 
und Holzindustrie. Centralblatt fiir das gesamte Forstwesen, Oct., 1912, 
pp. 451 to 460. 
ANIMALS 
Allen, E. W.: The Feeding of Farm Animals. Farmers' Bui. No. 22, 
U. S. Dept. of Agriculture, Washington, 1901. 
Dalrymple, Dr. W. H.: Economic Feeding of Work Animals used in 
Logging Operations. Lumber Trade Journal, Nov. 1, 1914. 
Dalrymple, Dr. W. H.: Feeding Work Horses and Mules. Lumber 
Trade Journal, July 1, 1914. 
Engineer Field Manual, Parts I-VII. Professional Papers No. 29, 
Corps of Engineers, U. S. Army. Fifth (revised) edition, Washington, 
1917, pp. 453-500. 
L.\ngworthy, C. F.: Principles of Horse Feeding. Farmers' Bui., No. 
170, U. S. Dept. of Agriculture, Washington, 1903. 
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