CONTENTS 



Page 

 The Present Conditions in the Lumber Industry 387 



Wilson Compton. 



Forest Tree Planting Camps 394 



J. S. IlUck. 



The Biology of Lodgepole Pine as Revealed by the Behavior 



of Its Seed 410 



Carlos C. Bates. 



The Pack Rat as an Emeny of Natural Reproduction on the 



Angeles National Forest 417 



Edward N, Munns. 



A Forest Policy for California 424 



D. T. Mason. 



Computing Volumes in Period Allotment 431 



T. S. Woolsey, Jr. 



By-Product Mills in the Hardwood Industry 435 



P. L. Buttrick. 



Determining the Quality of Standing Timber 438 



Swift Berry. 



The Spread of Timbered Areas in Central Texas ..... 442 

 J. H. Foster. 



Reproduction of Black Spruce (Picea Mariana) 446 



W. H. Kenety. 



A Decimal Classification for Forestry Literature 449 



Clarence F. Korstian. 



A Second-Growth Pine Mill in California 463 



Swift Berry 



Reviews 464 



Periodical Literature 481 



Personal ^ T . 505 



Notes and Comments 507 



