INDEX 



Abdomen, 86, 95, 105. 



Acorns, 120, 142, 160, 161. 



Acquired tendency, 97. 



Adder* s-tongue, 20, 61, 67. 



iEolus, 64. 



Afterglow, 194. 



Age, 201. 



Agelessness, 201. 



Age of fishes, 204. 



Air-sac, 18, 19, 77. 



Alaska sable, 1 50. 



Alders, 14, 20, 50, ito, 162, 



164, 168. 



Alpine woodsia, 67, 170. 

 Alps, 154. 

 Altar fire, 207. 

 Amanita, 115, 126. 

 Amazon, 25. 

 Aments, 14. 

 Andromeda, 168. 

 Anemones, 1,13, 20, 21, 59, 61, 



67, 203. 

 Animals, 136-138, 142, 146, 187, 



189, 191, 192. 

 Antennas, 52, 101, 103. 

 Anthers, 78. 

 Ant hill, 94, 1 08. 

 Ants, 4, 88, 91, 94-107, 109, 



in, 112, 145. 



Aphid, 100, 101, 1 12. 



Aphrodite, 207. 



Apis, 78. 



Apple, wild, 148. 



April, 142, 169. 



Arachne, 78. 



Arbutus, 20, 60, 121. 



Arftic, 131. 



Arftic Circle, 23. 



Armies, 102, 107, in. 



Ash, 66, 1 24. 



Aspen, 7, 123. 



Aspens, 181, 182. 



Asters, 71, 122. 



August, 113, 114, 117, 134. 



Autumn, 20, 45, 51, 72, 92, 118, 



119, 122, 125, 134, 135, 144, 



152, 157, 166, 196. 

 Audubon hermit-thrush, 190. 

 Avalanches, 182. 



Balsam, 3, 6, 57, 66, 68. 

 Bamboos, 117. 

 Banks, the, 205. 

 Barberry, 3, 58, 124. 

 Bare branches, 1 26. 

 Bark, 157, 158. 

 Barn-swallows, 26. 

 Basalt, 59. 



209 



