Croonian Lectures on Matter and Force. Given at the Royal College of Physicians in 1868. (On the time required for the transmission of Volition and Sensation through the Nerves: a lecture ... by E. Du Bois-Reymond. On the source of muscular power: A lecture ... by E. Frankland. On the rate of passage of Crystalloids into and out of the vascular and non-vascular textures of the body. By H. B. J.).