THE BAKERIAN LECTUKI 



1858. John Peter Gassiot. 



4 On the Stratifications and Dark Band in Electrical Discharge* a* observed 

 in Torricellian Vacua.' IM.il. I rana., 1868. 



1859. Edward Frankland. 



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



IM.il. Tram., 1809. 



1860. William Fairbairn. 



' Experimental Researches to determine the Density of Steam at different 

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



IM.il. Trans., 1800. 



1861. John Tyndall. 



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

 Physical Connection of Radiation, Absorption and Conduction.' 



IM.il. 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 Brian (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. 



