LIST OF ILLUSTRATIONS. 
Plates 1 and 2.—Professor W. Ramsay and Ur. S. Young on Evaporation and 
Dissociation. 
Plates 3 to 7. —Professor W. Ramsay and Dr. S. Young on the Thermal Properties 
of Alcohol. 
Plate 8. —Professor 0. Reynolds on the Theory of Lubrication and its Application to 
Mr. B. Tower’s Experiments. 
Plates 9 and 10. —Dr. C. A. Mac Munn on Enterochlorophyll, and Allied Pigments. 
Plates 11 and 12.—Dr. C. A. Mac Munn on Myohsematin and the Histoheematins. 
Plates 13 to 15. —Sir R. Owen on Fossil Remains, including Foot-bones, of Megalanict 
prisca. —Part IV. 
Plates 16 to 20. —Drs. J. and E. Hopkinson on Dynamo-Electric Machinery. 
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 ( Meiolcmia ) 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. 
Id ate 43.— Mr. Herbert Tomlinson on the Influence of Stress and Strain on the 
Physical Properties of Matter. 
