INDEX 



Alga, 128. 

 Apple — 



blossom, 129. 



branch, 94, 99. 



bud, 95, 100. 



fruit, 131. 



fruit scar, 99. 



fruit spur, 98. 



leaf, 97. 



Oak, 133. 



Swamp, 135. 

 Aster, 47. 



Back swimmer, 125. 

 Bark, 65. 

 Bean, 112. 

 Bee, 46, 131. 

 Birch tree, 47. 

 Bird seeds, 46. 

 Bitter-weed, 46. 

 Blood, 104. 

 Blowfly, 16. 

 Bluebottle fly, 16. 

 Borers, 45, 68. 

 Bud — 



Apple, 95, 100, 131. 



Cabbage, 117. 



Maple, 115. 



Pine, 86. 



Bulb, 106, 117. 

 Burdock, 50. 

 Butterfly, 26. 



Monarch, 28. 



Mourning cloak, 71. 



Swallowtail, 28. 



Violet-tip, 28. 



Cabbage, 117. 

 Caddis worm, 76. 

 Calyx, 129, 131. 

 Carbon, 66. 

 Carpet beetle, 137. 

 Caterpillar, 23. 



Apple, 132. 



Cabbage, 28. 



Clothes moth, 136. 



Golden-rod gall, 48. 



Hop-vine, 28. 



Milkw^eed, 28. 



Tomato, 29. 



Web worm, 25, 61, 70. 



Woolly bear, 72. 

 Cat-tail, 39. 

 Charcoal, 66. 

 Chickadee, 81. 

 Chipping sparrow, 62. 

 Climbing vines, 114. 

 Cocoon, 26, 54, 69. 

 139 



