LIST OF PLATES. 



PLATE I. 



llliisti-ative of the Eeport of the Committee on the Viviparous Nature of the 



Ichthyosauria. 



PLATES IL AND III. 



Illustrative of the Report of the Committee on the Tertiary (Miocene) Floi-a, &c., 

 of the Basalt of the North of Ireland. 



PLATES IV., v., AND VI. 



Illustrative of the Report of the Anthropometric Committee. 



PLATES VII., Vm., AND IX. 



Illustrative of Professor W. Gktils Adams's Communication, ' Comparison of 

 Curves of the Declination Magnetogi-aphs at Kew, Stonyhurst, Coimbra, 

 Ijisbon, Vienna, and St. Petersburg.' 



PLATES X. AND XI. 



Illustrative of the Report of the Committee on the present state of our knowledge 



of Spectrum Analysis. 



PLATES Xn. AND xin. 



Illustrative of Mr. H. Davey'b Paper on the Expansion of Steam in Non-rotativd, 



Pumping Engines. 



a2 



