( viii 



PLATES. 



Page 

 On the Magic Mirror of Japan, opposite .. .. .. 35 



On tlie Story of November Meteors .. .. .. .. 43 



Logic of Architectural Design .. .. .. .. .. 97 



Generic Images .. .. .. .. .. .. .. 168 



"Thunderer" Gun Explosion. (3 Plates) 248 



Land and Sea in Eolation to Geological Time . . . . . . 270 



Photographic Spectra of the Stars .. .. .. .. 294 



Sequel to the " Thunderer" Gun Explosion. (7 Plates) .. 326 



Ornament. (2 Plates) 445,449 



Phenomena of Electric Discharge .. .. .. .. 491 



Comparison of Magnetic Elements. (3 Plates) 663, 664, 666 



Spectra, &c. (3 Plates) 704,705 



