THE BAKERIAN LECTURE 22i> 



1858. John Peter Gassiot. 



On the Stratifications and Dark Band in Electrical Discharges as observed 

 in Torricellian Vacua.' Phil. Trans., 1858. 



1859. Edward Frankland. 



' Researches on Organo-metallic Bodies." Fourth Memoir. 



Phil. Trans., 1859. 



1860. William Fairbairn. 



' Experimental Researches to determine the Density of Steam at different 

 Temperatures, and to determine the Law of Superheated Steam. ' 



Phil. Trans., 1860. 



1861. JohnTyndall. 



' On the Absorption and Radiation of Heat by Gases and Vapours, and on the 

 Physical Connection of Radiation, Absorption and Conduction.' 



Phil. Trans., 1861. 



1862. Warren De la Rue. 



' On the Total Solar Eclipse of July 18, 1860, observed at Rivabellosa,. near 

 Miranda de Ebro, in Spain.' Phil. Trans., 1862. 



1863. Henry Clifton Sorby. 



' On the Direct Correlation of Mechanical and Chemical Forces.' 



Proceedings, vol. 12, 1863. 



1864. John Tyndall. 



* Contributions to Molecular Physics : being the Fifth Memoir of Researches 

 on Radiant Heat.' Phil. Trans., 1864. 



1865. Henry Enfield Roscoe. 



' On a Method of Meteorological Registration of the Chemical Action of 

 Total Daylight.' Phil. Trans., 1865. 



^ 



1866. James Clerk Maxwell. 



' On the Viscosity or Internal Friction of Air and other Gases.' 



Phil. Trans., 1866. 



1867. Frederick Augustus Abel. 



' Researches on Gun-Cotton. (Second Memoir.) On the Stability of Gun- 

 Cotton.' Phil. Trans., 1867. 



1868. Henry Enfield Roscoe. 



' Researches on Vanadium.' Phil. Trans. , 1868. 



1869. Thomas Andrews. 



' The Continuity of the Gaseous and Liquid States of Matter.' 



Phil. Trans., 1869. 



1870. John William Dawson. 



' On the Pre-Carboniferous Flora of North Eastern America, and more 

 especially on that of the Erian (Devonian) Period.' Proceedings, vol. 18. 



1871. Charles William Siemens. 



' On the Increase of Electrical Resistance in Conductors with Rise of 

 Temperature, and its Application to the Measure of Ordinary and Furnace 

 Temperatures : also on a simple Method of measuring Electrical Resistances;' 



Proceedings, vol. 19. 



