ILLUSTRATIONS 
xill 
FIG. PAGE 
40. Sketch Map of the Swiss Rivers . ; ‘ . 291 
41, Diagram in illustration of mountain structure . . 296 
42. Sketch Map of the Aar and its tributaries . ; 299 
43. River system round Chur, as it used to be. 308 
44, River system round Chur, as it is 309 
45, River system of the Maloya 311 
46. Final slope of a river . 317 
47. Do. do. with a aks ; 318 
48. Diagrammatic section of a valley (exaggerated). R R, 
rocky basis of a valley ; AA, sedimentary strata ; 
B, ordinary level of river; C, floodlevel . . 3829 
49. Whitsunday Island. (After Darwin) . 359 
50. A group of Lunar volcanoes ; spore Barocius, 
etc. (After Judd) . : 380 
51. Orbits of the inner Planets. (After Ball) . 388 
52. Relative distances of the Planets from the Sun. (After 
Ball) ; ; 389 
53. Saturn, with the surrounding series of rings. (After 
Lockyer) 395 
54. The Parallactic Ellipse. (After. Ball) 413 
55. Displacement of the hydrogen line in the spectrum of 
Rigel. (After Clarke) : : » 416— 
PLATES 
BurNHAM BEECHES . Frontispiece 
Winpsor Castie. (From a drawing by 
J. Finnemore) : ‘ 
Aquatic VEGETATION, Rio. (Published 
by Spooner and Co.) 
Troricat Forest, West Inpres. (After 
Kingsley) 
Summit or Monr Buanc . 
To face page 13 
sé ¢e 145 
6c ‘6 179 
sé se 203 
