“ The first volume, Vegetable Staticks (1727) , contains an account of numerous experiments in plant-physiology—the loss of water in plants by evaporation, the rate of growth of shoots and leaves, variations in root-force at different times of the day, &c. Considering it very probable that plants draw “through their leaves some part of their nourishment from the air,” he undertook experiments to show in “how great a proportion air is wrought into the composition of animal, vegetable and mineral substances” ”

“ In 1732 he was named one of a committee for establishing a colony in Georgia, and the next year he received the degree of doctor of divinity from Oxford. He was appointed almoner to the princess-dowager of Wales in 1750. On the death of Sir Hans Sloane in 1753, Hales was chosen foreign associate of the French Academy of Sciences. ”