Crops. Miscellaneous papers: Economics of crop disposal, [by] C. S. Scofield: Abortion of fruiting branches in cotton, [by] O. F. Cook; Fruit growing on Truckee-Carson project, [by] F. B. Headley and Vincent Fulkerson; Excretion of cytase by Penicillium pinophilum, [by] K. F. Kellerman.