Volume 6, Bulletins 80-88. (80) Volatile Acids Produced by Starters and by Organisms Isolated from Them; (81) Studies on Streptococcus Paracitrovorus Group; (82) Transmissibility and Pathological Effects of the Mosaic Disease; (83) Raising Orphan Pigs--II. Modifying Cows' Whole Milk with Sugar and Cream, Heat Treatment of Cows' Whole Milk, Vitamin Modification of Cows' Whole Milk; (84) Basisporium Dry Rot of Corn; (85) Part I--Influence on Starters of Air Supply, Temperature of Incubation, and Rate of Ripening; (86) Studies in Iodine Feeding Part I--Potassium Iodide Feeding Beneficial to Young Swine; (87) Study of the Secondary Effects of Hill Fertilization; (88) Farm Organization and Farm Profits in Tama County, Iowa