241 

 GRAZING. 



A. F. POTTER,* Assistant Forester (in the Field). 



L. F. KNEIPP, Assi -staii tJJForester (in the Field). 



WILL, C. BAKNES, Actiiig^Assistaiit Forester, in Charge. 



Forage and reseeding experiments W. C. CLOS, Manti, Utah. 



Forage investigations; compilation of data F. V. COVILLE, Botanist, Bureau of 

 Plant Industry, in charge, Washington, I). C.; JAMES T. JARDINE, Deputy Forest Super- 

 visor, Wallowa, Oreg., and ARTHUR T. SAMPSON, Plant Ecologist, Hot Springs, Cal. 



Identification of grasses and plants Dr. EDWARD L. GREENE, Consulting Expert, 

 Washington, D. C. 



Poisonous-plant investigations Prof. C. D. MARSH, Expert, Bureau of Plant 

 Industry, in charge, Mount Carbon, Colo.; IVAR TIDESTROM, Scientific Assistant, 

 Ephraim, Utah. 



Extermination of prairie dogs H. L. BENHAM, Grazing Assistant, Denver, Colo. 



PRODUCTS. 



WM. L. HALL, Assistant Forester, in Charge. 

 McGABVEY CLINE, Assistant Forester (in the Field). 



WOOD UTILIZATIOlSr. 



KOLF THELEN, Acting Chief. 



Computing, E. A. ZIEGLER. 



Compilation of forest tables E. A. ZIEGLER, Washington, D. C. 

 Computing Silvical data; timber tests; timber sales. 



Wood Chemistry, H. S. BRISTOL. 



T'RO.TIEOT'S. 



Study of methods of wood distillation and for the standardization and grading of 

 turpentines L. F. HAWLEY, Washington, D. C.; assistant, F. E. LICHTENTHAELER, 

 88 Broad street, Boston, Mass. 



Experiments with various woods for paper pulp E. SUTERMEISTER; assistant, 

 J. L. MERRILL, both at Washington, D. C. 



Study of wood preservatives and of chemical problems in wood utilization E. 

 BATEMAN; assistant, C. F. SPEH, both at Washington, D. C. 



Compilation of data on materials used in paper making H. E. SURFACE, Wash- 

 ington, D. C. 



Wood Uses, ROLF THELEN, Acting. 



r R O T E O T !S . 



Connecticut 



Study of the effect of drying on strength of timber and the absorption of water at 

 various temperatures, in cooperation with Yale University H. D. TIEMANN, Yale 

 Station, New Haven; assistants, H. E. MCKENZIE and CORNELIUS BARRY. 



Microscopic study of the mechanical failure of wood W. D. BRUSH, Yale Station, 

 New Haven. 



Indiana 



Tests of structural timbers and several hickories, in cooperation with Purdue 

 University, the Illinois Central Railway Company, and the National Hickory Asso- 

 ciation W. K. HATT, Purdue University, La Fayette; assistants, J. A. NEWLIN, J. 0. 

 BIXBY, WILLIAM D. DUDDING, T. LYONS," and H. WEYLS. 



