PLATES. 



I. Illustrative of Prof. J. A. Fleming's Paper on a Design for a 

 Standard of Electrical Resistance. 



II.-V. Illustrative of Mr. H. Nagaoka's Paper on the Combined Effects 

 of Torsion and Longitudinal Stress on the Magnetization of 

 Nickel. 



VI. Illustrative of Messrs. J. T. Bottomley and A. Tanakadate's Note 

 on the Magnetization of Nickel. 



VII. Illustrative of Mr. J. C. McConnel's Paper on the Polarization of 



Sky Light. 



VIII. Illustrative of Mr. J. S, Ames's Paper on the Concave Grating in 



Theory and Practice. 



IX. Illustrative of Messrs. H. A. Rowland and C. T. Hutchinson's 

 Paper on the Electromagnetic Effect of Convection-Currents. 



X. Illustrative of Mr. A. Blytt's Paper on the probable Cause of the 

 Displacement of Shore-lines. 



