INDEX 



Air-bubble, 124. 



Alder catkins in October, 10. 



Alder fringe, 40, 213. 



Amanita, 108. 



Angelica, 179. 



Ant, 66-69. 



Ant-lion, 66-69. 



Ant's "cow-sheds," 152-156. 



Aphids, corn, 153. 



Aphids, milked by ants, 152. 



Aphids, woolly, 40, 155. 



Arbutus, trailing, 27, 30. 



Azalea, 27. 



Back-swimmer, 118, 127, 132, 137. 



Barberry, 202. 



Bedstraw, 107. 



Bee caught by milkweed, 186. 



Bee in skunk cabbage hood, 208. 



Beech leaves, baby, 22. 



Beeches in May, 18. 



Beetle, engraver, 192. 



Bindweed, 180. 



Bird's nest fungus, 108. 



Birds, playground of, 12. 



Bittersweet, 10, n. 



Blackbirds, red-winged, 43. 



Black-eyed Susan, 105, 106. 



Black-fly larvae, 25, 54, 135. 



Bloodsuckers, 44. 



Bobolink, 70. 



Bombardier beetle, 220-222. 



Breathing of insects, 133-139. 



Brook, Meadow, 45. 



Brook's tools, the, and its work, 231- 



237- 

 Bubble of air, 124. 



1 Bullfrog, 227. 

 Bumble-bees, 70. 

 Bunchberry, 165. 

 Burdock, 197. 

 Butterfly caught by the milkweed, 



186. 



Butterfly, Wanderer, 41. 

 Butterflies, yellow, 9. 



Caddice-worms, 4, 33-36. 



Caddice-flies, 55. 



Cage for studying insects, 149. 



Cast-skins of dragon-flies, 60. 



Cattle kept by ants, 152. 



Cherry, wild, 203. 



Chickadee, 205. 



Clematis, 13, 184, 



Clintonia, 166. 



Cocoon on wild cherry, 204. 



Coltsfoot, 21. 



Columbine, 51. 



Cornel berries, 166. 



Crane-fly, 96, 98. 



Crows and spiders, 194-200. 



Crows in January, 194. 



Cucumber-root, 166. 



Damsel-flies, 57-59. 

 Darning needles, 63. 

 Dewberries, 106. 

 Divining rod, 189. 

 Dodder, 180. 



Dogwood, cow-shed on, 156. 

 Dragon- flies, 47, 56-64. 



Electric-light bug, 118. 

 Engraver beetle, 192. 



(239) 



