( 638 ) [Oct., 1869. 



LIST OF PLATES IN VOLUME VI. 



PAGE 



Microscopical Objects to illustrate the article on the Ethereal Hypothesis 



ofLight 14 



Spectra to illustrate article on the Great Solar Eclipse 50 



Proposed Tunnel under the Kiver Mersey from liverpool to Woodside .. 180 



Spectra to illustrate article on Some Recent Spectroscopic Researches . . . . 209 



Ideal Sketch of Submarine Garden on the Coast of Yar-Connauglit . . . . 331 



Table to illustrate article on a Ternary Geological Classification 353 



The Earth as seen from the Sua during the Tmnsit of Venus in 187-4 (two 



Illustrations) 370 



Sketch Map of Lough Gur and the surrounding country 388 



Spectra of Opals 481 



The Binocular Spectrum Microscope 482 



Coal Washing Apparatus 487 



LIST OF WOODCUTS IN VOLUME VL 



Diagram to illustrate probable Mode in which Light passes through various 



Substances (three Woodcuts) 10 



Path of the Eclipse of August 18, 1868 53 



Eclipse of August 18, 1868, showing Solar Prominences 55 



Another view of the same 58 



Another view 59 



Another view 60 



Another view 61 



Solar Protuberance, after Lockyer 69 



Chart of Mars 93 



Another view of Mars 94 



Vignette (Palm Tree and Head Hunter) 165 



Vignette (Shooting the Bird of Paradise) 174 



Harrison's Ice-making Machine 202 



Carre-'s „ „ 203 



Kirk's „ „ 204 



Recce's „ „ 205 



Spectrum of Sirius 205 



Spectroscope used by Mr. Huggins 216 



Another do. „ „ 222 



Morton's Ejector Condenser 285 



Collecting Sea-weed on the Coast of Yar-Connaught 341 



Diagram illustrating a Transit of Venus 371 



„ in 1874 372 



Human Skull and Lower Jaw, discovered near Monolith, Lough Gur (two 



Woodcuts) 391 



Coal-washing Machine 491 



„ another form of , . . . 493 



Tanks 49G 



