LIST OF ILLUSTRATIONS. 
Plates 21 to 23. —Professor J. A. Ewing on the Effects of Stress and Magnetisation 
on the Thermoelectric Quality- of Iron. 
Plates 24 and 25. —Captain Abney and Major-General Festing on Colour Photometry. 
Plates 26 to 28. —Captain Abney on the Solar Spectrum, from X 7150 to X 10,000. 
Plates 29 to 32. —Sir Richard Owen on the Fossil Remains of Two Species of a 
Megalanian Genus (Meiolania) from ‘‘Lord Howe’s Island.” 
Plate 33.—Professors A. W. Reinold and A. W. Rucker on the Relation between 
the Thickness and the Surface Tension of Liquid Films. 
Plates 34 to 37.— Professor T. Jeffery Parker on the Blood-Vessels of Mustelus 
Antarcticus. 
Plates 38 to 41.— Mr. Alfred Sanders on the Anatomy of the Central Nervous 
System in Vertebrate Animals. 
Plate 42.— Mr. Herbert Tomlinson on the Coefficient of Viscosity of Air. 
Plate 43. —Mr. Herbert Tomlinson on the Influence of Stress and Strain on the 
Physical Properties of Matter. 
