On the influence of physical agents on life, by W. F. Edwards. Translated from the French by Dr. Hodgkin and Dr. Fisher. To which are added, in the appendix, some observations on electricity by Dr. Edwards, M. Pouillet, and Luke Howard; on absorption, and the uses of the spleen, by Dr. Hodgkin; on the microscopic characters of the animal tissues and fluids, by J. J. Lister and Dr. Hodgkin, and some notes to the work of Dr. Edwards.