1917] CONTENTS. XXV 



Page. 



Spaulding, P., Notes on Cronartium comptonix, III 845 



Spilbnan, W. J., Biology and the Nation's Food 263 



Spillman, W. J., The Farmer's Response to Economic Forces 389 



Stedman, J. M., Statistics of Farmers' Institutes in United States, 1915-lG 796 



Sterrett, W. D., Marketing Woodlot Products in Tennessee 548 



Stevens, N. E., Influence of Climatic Factors on Development of Endothia 



parasitica 557 



Stevens, N. E., Influence of Temperature on Growth of Endothia parasitica 557 



Stevens, N. E., Method for Studying Humidity Relations of Fungi in Culture. 549 



Stuart, W., Growing Potatoes under Irrigation for Profit 830 



Summers, J.N. [Parasite Work in Maine] 459 



Taylor, A. E., Control of Food Supplies in Blockaded Germany 166 



Thompson, C. W., Rural Surveys 592 



Thompson, C. W., The Federal Farm Loan Act 291 



Thompson, H. C, Peanut Growing in the Cotton Belt 442 



Thomson, E. H., Gaining a Foothold on the Land 389 



Townsend, C. H. T., Head and Throat Bots of American Game Animals 565 



Townsend, C. H. T., New Genera and Species of American Muscoid Diptera. . 764 

 Townsend, C. H. T., Recent Questioning of the Transmission of Verruga by 



Phlebotomus 358 



Townsend, C. H. T., Synoptic Revision of the Cuterebrid9e, with Synonymic 



Notes and Description of One New Species 565 



Townsend, C. H. T., The Stages in the Asexual Cycle of the Organism of Verruga 



Peruviana 400 



Townsend, C. H. T., Two New Genera of African Muscoidea 359 



Townsend, C. O., Present Status of Sugar-beet Seed Industry in the United 



States 540 



True, A. C, Relation of the Smith-Lever Funds to Farmers' Institutes 796 



Urbahns, T. D., Destroy the Grasshoppers 561 



Van Dine, D. L., Relation of Malaria to Crop Production 57 



Vosbury, E. D., Avocado Varieties in Florida 345 



Vrooman, C, Work of the U. S. Department of Agriculture 796 



Waite, M. B., Additional Suggestions on Treatment of Hazel Blight 755 



Walters, E. H., Isolation of Parahydroxybenzoic Acid from Soil 709 



Ward, A. R., Suppuration in Cattle and Swine Caused hy Bacterium pyogenes. . 276 



Weir, J. R., Control of Mistletoe in the Northwest 458 



Wetmore, A., Birds of Culebra Island, Porto Rico 355 



Wetmore, A., New Honey Eater from the Marianne Islands 758 



White, E. C, and Acree, S. F., Quinone-phenolate Theory of Indicators 409 



Wilcox, A. M., Reaiing Insects for Experimental Purposes and Life History 



Work 758 



Willett, G., East Park Bird Reservation, California 355 



Willett, G., Salt River National Bird Reservation, Arizona 355 



Williams, R. R., Chemical Nature of the Vitamins, III 411 



Winslow, C. P., Grouping of Ties for Treatment 748 



Winslow, C. P., and Thelen, R., The Purchase of Pulpwood 452 



Wise, L. E., Simplified Microcombustion Method for Determination of Carbou 



and Hydrogen 803 



Woglum, R. S., Fruit Injury during Fumigation of Citrus Trees 634 



Woglum, R. S., Mealy Bug Control 158 



Wright, S., Color Inheritance in Mammals 866 



Yamell, D. L., Farm Drainage in Virginia 384 



Yothers, W. W., Some Reasons for Spraying Citrus Trees in Florida 460 



Zon, R., Some Problems in Light as a Factor of Forest Growth 45 



