CONTENTS. XXI 



Schorger, A. W., Oils of the Coniferee, — IV, The Leaf and Twig Oils of 



Digger Pine, Lodgepole Pine, and Red Fir 409 



Shamel, A. D., Improvement of Lemon Varieties by Bud Selection 737 



Shear, C. L., Utilization of Peat Land for Cranberry Culture 786 



Skinner, J. J., Effect of Salicylic Aldehyde on Plants In Soil and Solu- 

 tion Cultures 328 



Smith, P, T., Reforestation on the Black Hills National Forest 843 



Sohier, W. D., Relation of Road Maintenance to Traffic 290 



Spencer, J. W., The Management of Engelmann Spruce-Alpine Fir Stands- 739 



Spillman, W. J., The Efficiency Movement In Its Relation to Agriculture— 490 



Steffen, E. H., Range Reconnaissance on the Wallowa National Forest 843 



Taber, W. C, Tamarind Sirup 805 



Thibault, jr., J. K., The Losses to Rural Industries from Malarial Mos- 

 quitoes 749 



Thompson, H. C, Experiments in Growing Greenhouse Crops on Muck or 



Humus Soils 139 



TowTisend, C. H. T., Proposal of New Muscoid Genera for Old Species 156 



Townsend, C. O., Single-germ Beet Seed 532 



True, A. C, Agricultural Education and Agricultural Prosperity 789 



True, A. C, The Relation of the College Curriculum to Human Life and 



Work 895 



True, R. H., Toxicity and Malnutrition 725 



Turner, W. F., and Baker, A. C, Occurrence of an Intermediate in 



Aphis pomi 748 



Turrentine, J. W., The Preparation of Fertilizer from Kelp 424 



Van Dine, D. L., The Losses to Rural Industries Through Mosquitoes that 



Convey Malaria 255 



Webb, J. L., Notes on the Rice Water Weevil (Lissorhoptrus simplex) 257 



Weir, J. R., New Hosts for Some Forest Tree Fungi 550 



Weir, J. R., Some Observations on Abortive Sporophores of Wood-destroy- 

 ing Fungi ^__ 552 



Weiss, H. F., and Teesdale, C. H., Records on the Life of Treated Timber 



in the United States 544 



Weiss, H. F., The Preservation of Structural Timber 243 



Willis, C. P., and Hofmann, J. V., Study of Douglas Fir Seed 739 



Woodward, K. W., Forest Administration in the Southern Appalachians— 738 



Woodward, T. E., Feeding Sour Milk to Young Calves 269 



Wooton, E. O., and Standley, P. C, Flora of New Mexico 727 



Bottle Washing Costs 876 



ILLUSTRATION. 



Page. 

 Fig. 1. Approximate grouping of States as rainfall sections 318 



