REFERENCES 109 



REFERENCES 



1. Cermak, Einiges iiber den Urwald von WaldbauKchen Gesichtspunkten. 

 Centralblatt f. d. g. Forstwesen, Aug.-Sept., 1910, pp. 340-370. 



2. Ashe, W. W. Yellow Poplar in Tennessee. Bulletin lo-C, State of 

 Tennessee, State Geological Survey, 1913, p. 40. 



3. Caccia, a. M. F. The Selection System in Indian forests as exempli- 

 fied in working plans based on this system, with a short description of some 

 Continental Methods. The Indian Forest Records, Part IV, Vol. I, Calcutta, 

 1909, p. 315, 317-318. 



4. Graves, H. S. Principles of Handling Woodlands. Wiley & Sons, Inc., 

 New York, 1911^ pp. 53-54. 



5. Mason, D. T. Utihzation and Management of Lodgepole Pine in the 

 Rocky Mountains. Bulletin 234, United States Department of Agriculture, 

 Washington, 1915, pp. 21-32. 



Berthon. Etude D'un Peuplement de Foret Jardinee. Bulletin de la Soci6t6 



Forestiere de Franche-Comte et Belfort, Vol. II, Besanfon, 191 2, pp. 



411-418. 

 Christen. Zur Ermittlung des laufenden Zuwachses speziell im Plenterwalde. 



Schweizerische Zeitschrift fur Forstwesen, Bern, 1909, pp. 37-41 and pp. 



82-87. 

 Clapp, E. H. Silvicultural Systems for Western Yellow Pine. Proceedings 



of the Society of American Foresters, Vol. 7, 191 2, pp. 168-176. 

 Fankhauser, F. Ueber die Notwendigkeit von Ertrags nachweisungen im 



Plenterwald. Forstwissenschaftliches Centralblatt, 1908, pp. 417-432. 

 Frothingham, E. H. The Eastern Hemlock. Bulletin 152, United States 



Department of Agriculture, Washington, 1915, pp. 29-30. 

 Frothingham:, E. H. The Northern Hardwood Forest: Its Composition, 



Growth and Management. Bulletin 285, United States Department of 



Agriculture, Washington, 1915, pp. 37-39. 

 G. Z. Privatwald und Plenterbetreib. Schweizerische Zeitschrift fur 



Forstwesen, Bern, 1911, pp. 247-255. 

 Larsen, L. T. Sugar Pine. Bulletin 426, United States Department of 



Agriculture, Washington, 1916, pp. 30-33. 

 MuNGER, T. T. Western Yellow Pine in Oregon. Bulletin 418, United 



States Department of Agriculture, Washington, 191 7, pp. 38-39. 

 Murphy, L. S. The Red Spruce: Its Growth and Management. Bulletin 



S44, United States Department of Agriculture, Washington, 191 7, pp. 



46-48. 

 Wagner, C. Blenderwald oder schlagweiser Hochwald. Forstwissenschaft- 

 liches Centralblatt, Berlin, 1909, pp. 23-29. 



