CONTENTS 



Page 



An Efficient System for Computing Timber Estimates '1 



By C. E. Dunston and C. R. Garvey 



Concerning Site 3 



By Filibert Roth 



Addenda 12 



By H. A. Parker 



Silvicultural Problems of Canadian Forest Reserves 14- 



By B. E. Femow 



The Costs and Values of Forest Protection 24 



By P. S. Lovejoy 



Making Box Boards from Sawmill Waste 39 



By P. L. Buttrick 



Teaching Dendrology in the Hawaiian Islands 46 



By Vaughan MacCaughey 



Forest Provisions of New York State Constitution 50 



By C. R. Pettis 



The Professional and Economic Situation of the Technical Forester as 



Seen by the Forester in Switzerland 61 



By R. H. Campbell (^Translator) 



The Algerian Forest Code 66 



By T. S. Woolsey, Jr. 



An Improved Form of Nursery Seed Bed Frame 183 



By D. R. Brewster 



Forest Service Revenue and Organization 188 



By T. S. Woolsey, Jr. 



Operations and Costs on Pennsylvania State Forests 236 



By N. R. McNaughton 



The Cost of Forest Improvement Systems 238 



By P. S. Lovejoy 



Business Rate of Interest and Rate Made by the Forest 255 



By Fihbert Roth 



A Practical Application of Pressler's Formula 260 



By A. B. Recknagel 



Fire Risk in Massachusetts 268 



By H. O. Cook 



Removing Growth from Fire Lanes 270 



By N. R. McNaughton 



Seed Testing with the Jacobsen Germinating Apparatus at the Danish 



Seed Control Station 273 



By J. A. Larsen (Translator) 



A Day in an Irrigated Plantation, Chimga Munga, Punjab, India 277 



By H. R. MacMillan 



News Notes from District 1, Forest Service 283 



By J. F. Preston 



The Relation of Forestry to Science 375 



By Barrington Moore 



A Historical Study of Forest Ecology; Its Development in the Fields of 



Botany and Forestry 380 



By R. H. Boerker 



New Topographic Survey Methods 433 



By J. H. Bonner and F. R. Bonner 



iii 



