INDEX 



Abraxas, 153, 160. 



Actinomorphic, 28, 60. 



Adaptations in birds, 97. 



in fresh-water ani- 



mals, 186. 



in plants, 24, 37, 202, 



212, 214, 299. 



Aesthetics, 3, 22, 23, 34, 67, 237, 

 288, 327. 



Agricultural operations, 10, 40. 



Agriotes, 313. 



Air bladder in fishes, 72. 



Air sacs in birds, 108. 



Alder, 246, 258. 



Alder flies, 188. 



Altitude, 38, 39, 315. 



Alum crystals, 65. 



Amaryllideae, 199. 



Amphibia, 180. 



Analyses, 48. 



AncyluSj 149. 



Anemone, Wood, 11, 197. 



Animal activities, 23. 



Animal inhabitants of soil, 46. 



Annelida, 182. 



Antennae, 164. 



Antheridium, 274. 



Anthers, 234, 235. 



Anticyclone, 322. 



Ants, 168. 



Aphides, 307. 



Apple, 243, 246. 



ApteryXy 94. 



Aquarium, 328. 



animals, 21, 180, 329. 



Aquarium studies, 33, 182. 

 Archaeopteryx, 102, 105. 

 Archegonium, 274. 

 Arion, 304. 

 Aroideae, 199. 

 Ash, 26, 237, 241, 251, 261. 

 Autumn leaves, 26, 30, 43, 224. 

 Avens (wood), 242. 



Bacteria, 277. 



Barberry, 222. 



Bast, 211, 257. 



Bats, 134. 



Bean, 247. 



Beaufort Scale, 316. 



Bee, 11, 31, 168, 171, 229, 303. 



Beech, 26, 217, 262. 



Beetles, 31, 169, 191, 212, 298, 



303, 313. 

 Berry, 243. 

 Bill of birds, 105. 

 Birch, 236, 252, 262. 

 Birds, 51, 91. 



of town, 53. 

 Biting flies, 309. 

 Blackbird, 116. 

 Blackthorn, 11. 

 Bluebottle fly, 170. 

 Blue tit, 118. 

 Botfly, 310. 

 Bract, 235. 

 Broom, 245. 

 Bulb, 44. 

 Bullfinch, 119. 

 Butterbur, 30, 35. 



346 



