Temperature influence on planting and harvest dates, by Joseph Burton Kincer; Graphic summary of seasonal work on farm crops, by O. E. Baker, C. F. Brooks, and R. G. Hainsworth [abstracted and discussed by C. F. Brooks]; Dufrenoy's observations of temperatures of plants in sunlight and shade [by J. Warren Smith]; Note on heating of plants in sunlight as factor in growth, by D. A. Seeley; Measuring temperature of leaves.