ILLUSTRATIONS 



" Old Orchard, Broadstone (Built in 1902) . . . Frontispiece 



My First Letter from Dr. Purland .... Facing page 76 



Envelope of Second Letter (Page 77) " 78 



A Letter from Dr. Purland (Page 77) .... " 80 



Heading of Letter from Dr. Purland (Page 77) . " 82 



My Last Letter from Dr. Purland (Page 81) . . " 84 



Alfred R. Wallace. 1878 " 98 



"Nutwood Cottage," Godalming " 104 



The Saracen's Tent, Luray Cavern " 138 



Sauk Rapids, Minnesota. Effects of a Tornado " 150 



On the Denver and Rio Grande Railway ... " 176 



Gateway to Garden of the Gods : with Pike's 



Peak (Page 179) " 178 



"Cathedral Spires," Garden of the Gods ... " 180 



The Seal and Bear, Garden of the Gods 



(Page 179) " 182 



"The Squatter," Garden of the Gods, Col. 



(Page 179) " 184 



Diagrams illustrating Experiments to show Con- 

 vexity of the Earth Pages 383 and 38$ 



Llanrhaidwr Waterfall Facing page 404 



The portraits of the Author illustrating this work show him at the 

 following ages : — 



Age 25. Before going to the Amazon. 



" 46. At publication of " Maylay Archipelago." 



" 55. At publication of "Tropical Nature." 



" 80. Frontispiece. 



