108 



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. 



Experimental study of the fundamental variable cooking conditions in the soda 

 process H. E. Surface. 



TIMBER PHYSICS II. D. TIEMANN, in charge. 



Physical determination of the specific gravity and specific heat of wood substance- 

 Frederick Dunlap. 



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

 United States Miss Eloise Gerry. 



Relations of the hygroscopic conditions of wood to temperatures and vapor pres- 

 sures H. E. McKenzie. 



Tests to determine the strength of wood beams under continuously applied loads 

 H. E. McKenzie. 



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

 cylinder H. D. Tiemann. 



The effect of different methods of drying on the strength of wood (a report to be 

 compiled from past records) H. D. Tiemann. 



Preparation of microscopic slides for standardization of wood-pulp samples Simon 

 Kirsch. 



TIMBER TESTS!. A. NEWLIN, in charge. 



Standard tests on red oak, white oak, and ash F. J. Hallauer; assistant, T. Lyons. 



Effect of water solutions of bicarbonate of soda on the strength of shortleaf and 

 longleaf pines T. R. C. Wilson. 



WOOD DISTILLATION L. F. HAWLEY, in charge. 



Refining and grading of wood turpentine L. F. Hawley. 



Experiments in distillation of resinous wood L. F. Hawley; assistant, R. C. 

 Palmer. 



WOOD PRESERVATION F. M. BOND, in charge. 



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



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

 yellow pine from marine borers C. II. 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 pre- 

 servatives and processes F. M. Bond. 



The relative resistance of commercial woods to injection with creosote C. II. Tees- 

 dale and E. W. Peters. 



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

 of various wood preservatives L. Witt. 



Standard tests upon the strength of loblolly pine to determine the effect of injecting 

 various wood preservatives into it L. Witt. 



Experiments on mechanical operative features of pressure wood-preserving plants 

 C. P. Winslow and E. W. Peters. 



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

 in charge. 



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



