1917] CONTENTS. XIII 



Page. 

 Bulletin 451, The Chemical Composition of Lime-sulphur Animal Dips, R. M. 



Chapin 311 



Bulletin 452, The Chemical Composition of American Grapes Grown in the 

 Central and Eastern States, W. B. Alwood et al 342 



Bulletin 453, The Control of Damping-off Coniferous Seedlings, C. Hartley and 

 R. G. Pierce 547 



Bulletin 454, The Effect of Cultural and Climatic Conditions on the Yield and 



Quality of Peppermint Oil, F. Rabak 344 



Bulletin 455, The Drying for Milling Purposes of Damp and Garlicky Wheat, 

 J. H. Cox 361 



Bulletin 456, Marketing Creamery Butter, R. C. Potts and H. F. Meyer 776 



Bulletin 457, Relation between Primary Market Prices and Qualities of Cotton, 

 F. Taylor 493 



Bulletin 459, Use of Energy Values in the Computation of Rations for Farm 

 Animals, H. P. Armsby 469 



Bulletin 461, The Identification of Grasses by Their Vegetative Characters, 

 L. Carrier 527 



Bulletin 462, Irrigation in Florida, F. W. Stanley 784 



Bulletin 463, Earth, Sand-clay, and Gravel Roads, C. II. Moorefield 786 



Bulletin 464, Lessons on Poultry for Rural Schools, F. E. Heald 597 



Bulletin 465, Propagation of Wild-duck Foods, W. L. McAtee 753 



Bulletin 467, The Food Value and Uses of Poultry, Helen W. Atwater 463 



Bulletin 468, Potatoes, Sweet Potatoes, and Other Starchy Roots as Food, 

 C. F. Langworthy 560 



Bulletin 469, Fats and Their Economical Use in the Home, A. D. Holmes and 

 11. L. Lang 462 



Bulletin 470, Studies on the Digestibility of the Grain Sorghums, C. F. Lang- 

 worthy and A. D. Holmes 660 



Bulletin 471, Eggs and Their Value as Food, C. F. Langworthy 761 



Bulletin 472, Improved Apparatus for Determining the Test Weight of Grain, 

 with a Standard Method of Making the Test, E.G. Boerner 441 



Bulletin 473, Production of Sugar in the United States and Foreign Countries, 

 P. Elliott 737 



Bulletin 474, True Mahogany, C. D. Mell 745 



Bulletin 478, The Origin, Characteristics, and Quality of Humpback Wheat, 

 L. M. Thomas 533 



Bulletin 482, Farming in the Bluegrass Region, J. H. Arnold and F. Mont- 

 gomery 789 



Bulletin 483, Statistics of Fruits in Principal Countries, H. D. Ruddiman 741 



Bulletin 485, Apples: Production Estimates and Important Commercial Dis- 

 tricts and Varieties, H. P. Gould and F. Andrews 536 



Bulletin 486, Sugar-cane Culture for Sirup Production in the United States, 

 P. A. Yoder 835 



Bulletin 487, Judging Horses as a Subject of Instruction in Secondary Schools, 



H. P. Barrows 597 



Bulletin 488, Experiments in the Disposal of Irrigated Crops through the Use 

 of Hogs, J. A. Holden 767 



Bulletin 489, A survey of Beekeeping in North Carolina, E.G. Carr 555 



Bulletin 490, A Preliminary Report on the Occurrence of Western Red Rot in 

 Pinus ponderosa, W. H. Long 753 



Bulletin 492, An Economic Study of Farming in Sumter County, Ga., H. M. 

 Dixon and H. W. Hawthorne 893 



Bulletin 493, A Study of American Beers and Ales, L. M. Tolman and J. G. 

 Riley 864 



