LIST OF ILLUSTRATIONS. 



Plate 1. Professor L. BECKER on the Distribution of Blue- Violet Light in tlu^ Solar 

 Corona on August 30, 1905, as derived from Photographs taken at Kalaa-es- 

 Senam, Tunisia. 



Plates 2 to 4. Mr. P. O. PEDKKSKN on the Surface-Tension of Liquids Investigated 

 by the Method of Jet Vibration. 



Plate 5. Mr. F. E. SMITH on the Normal Weston < 'admiuin Cell. 



Plate 6. Messra R. S. HUTTON and .1. E. PKTAVKI. <>n Electric Furnace Reactions 

 under High Gaseous Pressures. 



Plates 7 and 8. Professor W. E. AYRTON, Mr. T. MATIIKK, and Mr. F. E. SMITH: A 

 New Current Weigher and a Determination of the Electromotive Force of the 

 Normal Weston Cadmium Cell. 



Plate 9. Mr. F. E. SMITH, Mr. T. MATHER, and Dr. T. M. LOWRY on the Silver 

 Voltameter. 



