[Vol. 87, 1917] 



LIST OF PIJBLICATI0N8. 



IX 



U. S. Department of Agriculture — Contd. 



Page. 

 Bui. 511, Farm Practice in the Cul- 

 tivation of Cotton, H. R. Cates. . 36 

 Bui. 512, Prevention of the Erosion 

 of Farm Lands by Terracing, 



C. E. Ramser 87 



Farmers' Bui. 788, The Windbreak 



As a Farm Asset, C. G. Bates. . . 46 

 Farmers' Bui. 793, Foxtail Millet- 

 Its Culture and Utilization in the 

 United States, H.N. Vinall .... 37 

 Bureau of Animal Industry: 



Serv. and Regulatory An- 

 nouncement 116 81 



Bureau of Crop Estimates: 



Mo. Crop Rpt., vol. 3, No. 3, 



Mar., 1917 92 



Bureau of Plant Industry': 



A Lister Attachment for a Cot- 

 ton Planter, S. H. Hastings. . 90 

 Bureau of Soils: 



Field Operations, 1915 — 



Soil Survey of Latah 

 County, Idaho, J. H. 

 Agee, G. W. Graves, and 



C.B.Mickelwaite 21 



Soil Survey of Wells 

 County, Indiana, W. E. 

 Tharp and W . E . Wiley . 21 

 Soil Survey of Van Buren 

 County, Iowa, C. Louns- 

 bury andH. W. Reid.. 21 

 Soil Survey of Washington 

 County, Nebraska, L. V. 

 Davis and H. C. Mort- 



lock 22 



Soil Survey of Davidson 

 County, North Carolina, 

 R. B. Hardison and 

 L. L. Brinkey ........ .^ 22 



Soil Survey of Lewis and 

 Gilmer Counties, West 

 Virginia, W. J. Latimer. 22 

 Scientific Contributions: ^ 



Kafirin, an Alcohol-soluble 

 Protein from Andropogon 

 Sorghum, C. 0. Johns and 



J.F.Brewster 8 



Some Proteins from the Jack 

 Bean, Canavalia ensiformis, 

 D. B. Jones and C. O. 



Johns 8 



The Proteins of the Peanut. — 

 I, Arachin and Conarachin, 

 C. O. Johns and D. B. 



Jones 8 



d-Mannoketoheptose, a New 

 Su^r from the Avocado, 



F.B. La Forge 9 



A Saponin from Yucca fila- 

 vxentosa, L. H. Chemoff, 

 A. Viehoever and C. 0. 

 Johns 9 



> Printed in scientific and technical 



U. S. Department of Agriculture — Contd. 



Page. 

 Scientific Contributions — Contd. 



The Oxidase Activity of Plant 

 Juices and Their Hydrogen 

 Ion Concentrations, H. H. 

 Bunzell 9 



Absorption of Tin by Proteins 

 and the Solution of Tin by 

 Canned Foods, B. C. Goss.. 12 



New Method of Steam Distil- 

 lation for Determination of 

 Volatile Fatty Acids, D. C. 

 Dyer 13 



Soil Surv^ey of White County 

 [Indiana], T. M. Bushnell 

 andC. P. Emi 21 



Influence of Fertilizers and 

 Soil Amendments on Acidi- 

 tv, J. J. Skinner and J. H. 

 Beattie 23 



Morphological Characters and 

 Saccharin Content of Sugar 

 Beets, F. J. Pritchard 28 



A Valuable Unpublished Work 

 on Pomology, P. L. Ricker. . 41 



The Correlation of American 

 Forest Research, E. H. 

 Clapp 44 



Ecology and Silviculture in 

 the Southern Appalachians, 

 E. H. Frothingham 45 



Some Problems in Light as a 

 Factor of Forest Growth, R.* 

 Zon 45 



The Role of Light in Natural 

 and Artificial Reforestation, 

 C.G.Bates 45 



Seeding Habits of Spruce in 

 Competition with Its Asso- 

 ciates, L. S. Murphy 45 



Timber Estimating " in the 

 Southern Appalachians, R. 

 C.Hall 46 



Some Problems in Appala- 

 chian Timber Appraisal, 

 W. W^Ashe 46 



The Zoological Position of the 



Sarcosporidia, H. Crawley. . 53 



A New Method of Controlling 

 the Black-head Fireworm, 

 H. B. Scammell 56 



District of Columbia Diptera: 

 Syrphidf?, N . Banks et al . . . 57 



The Relation of Malaria to 

 Crop Production, D. L. Van 

 Dine 57 



Two Destructive Grape In- 

 sects of the Appalachian 



Region, F. E. Brooks. 



Studies of Weevils with De- 

 scriptions of New Genera and 



Species, W. D. Pierce 



publications outside the Department. 



58 



58 



