IV Journal of Agricultural Research voi.xn 



Humus in Mulched Basins, Relation of Humus Content to Orange 



Production, and Effect of Mulches on Orange Production. Page 

 Charles A. Jensen 505 



Relation of Kinds and Varieties of Grain to Hessian-Fly Injury. 

 James W. McColloch and S. C. Salmon 519 



Wilt Diseases of Okra and the Verticillium-Wilt Problem. C. W. 



Carpenter 529 



Winter Cycle of Egg Production in the Rhode Island Red Breed 



of Domestic Fowl. H. D. GoodalE 547 



Digestion of Starch by the Young Calf. R. H. Shaw, T. E. Wood- 

 ward, and R. P. Norton 575 



Toxicity of Volatile Organic Compounds to Insect Eggs. Wil- 

 liam Moore and Samuel A. Graham 579 



Corn-Stover Silage. J. M. Sherman and S. L. Bechdel 589 



Weevils Which Affect the Irish Potato, Sweet Potato, and Yam. 

 W. Dwight Pierce 601 



Sterility in the Strawberry, W. D. Valleau 613 



Effect of Nitrifying Bacteria on- the Solubility of Tricalcium 



Phosphate. W. P. KellEY 671 



Respiration of Stored Wheat. C. H. Bailey and A. M. Gurjar. . 685 



Effects of Mistletoe on Young Conifers. James R. Weir 715 



Determination of Fatty Acids in Butter Fat. E. B. Holland and 

 J. P. Buckley, jr 719 



Index 733 



ERRATA AND AUTHORS' EMENDATIONS 



Page 60, Table XIII, heading, " Folyporus dryophilus" should read " Polyporus dryophilus." 



Page 105, Table I, " Peach {Prunus persica)" should read " Peach {Amygdalus persica)." 



Page 331, line 8, "clay" should read "clay loam." 



Page 335, hne 5 from bottom, "(fig. 3-6)" should read "(fig. 8-20)." 



Page 361, line 18 from bottom, omit " 10." 



Page 366, citation 27, " 1917" should read " 1918." 



Pages 364-368, in citations 2, 16, 29, 30, 56, and 57, omit " Not seen," 



Pages 394-395, citations 3 and 8, " 1917" should read " 1918." 



Page 429, Une 19 from bottom, "or against tapeworms" should read "and against tapeworms." 



Page 430, line 6, "instability" should read "irritability." 



Page455, line 5, "stroke" should read "streak." 



