Experiments to determine the suitability of mill waste from lumber mills of the 

 Madera Co. (Ltd.), Madera, Chihuahua. Mexico, for the production of chemical 

 pulp. H. E. Surface. 



Experimental study of the fundamental variable cooking conditions in the soda 

 process. H. E. Surface. 



TIMBER PHYSICS. H. D. Tiemann, in charge. 



Construction of an experimental dry kiln at Cairo, 111., in cooperation with the 

 Pioneer Pole & Shaft Co. H. D. Tiemann; assistant, Charles Leigh. 



The preparation of microscopic slides of the principal commercial woods in the 

 United States. Miss Eloise Gerry. 



Preparation of photo-micrographs of American woods. Simon Kirsch. 



The analytical study of the artificial methods of drying wood in an experimental 

 cylinder. H. D. Tiemann; assistant, Frederick Dunlap. 



TIMBER TESTS. J. A. NEWLIN, in charge. 



Standard tests on oak and ash from the Ozark National Forest. T. C. R. Wilson, 

 assistant, T. Lyons. 



Strength tests on cross-arms, in cooperation with the American Cross- Arms Co. 

 arid the John L. Roper Lumber Co. J. A. Newlin. 



WOOD PRESERVATION. F. M. BOND, in charge. 



Fungicidal properties of coal-tar creosote fractions. C. H. Teesdale. 



The efficiency of various fractions of coal-tar creosote in protecting southern yellow 

 pine from marine borers. C. H. Teesdale. 



Service tests on red oak and maple crossties in cooperation with the Chicago Mil- 

 waukee & St. Paul Railway Co. to determine the relative efficiency of standard 

 preservatives and processes. F. M. Bond. 



The relative resistance of woods to injection with creosote. C. H. Teesdale. 



Standard tests on the chemical, physical, fungicidal, and inflammable properties 

 of various wood preservatives. L. Witt. 



Experiments on mechanical operative features of pressure wood-preserving; 

 plants. E. W. Peters. 



The preservative treatment of jack pine for posts, poles, etc. F. M. Bond. 



WAUSATJ LABORATORY. J. H. THICKENS, in charge. 



Experiments to determine the suitability of jack pine and eastern hemlock for the 

 manufacture of ground-wood pulp. J. H. Thickens and G. H. McNaughton,Wausau, 

 Wis. 



PATHOLOGY (in cooperation with the Bureau of Plant Industry). C. J. HUMPHREY, 

 in charge. 



Toxicity of preservatives with pure cultures. C. J. Humphrey. 



Rate of decay of wood and the efficiency of various wood preservatives (fungus pit 

 tests). C. J. Humphrey. 



Moisture per cents at various points in posts; also the effect of beveling the tops of 

 posts. M. C. Jensen. 



WOOD UTILIZATION. H. S. SACKETT, in charge, Fisher Building, Chicago, 111. 



[The figures in the studies below indicate the number of the project.] 



Collection of wholesale lumber prices. C. F. Hatch, Fisher Building, Chicago, lib 



