INDEX 



Corn seedling, P. B., 100. 



Corn silk, P. B., 88. 



Corn stalk, P. B., 47, 49, 50. 



Corn "tassels," P. B., 87, Fig. 33, 



Cornea, H. B., 163. 



Corolla, P. B., 71, 79, 88. 



Corpuscles, 



of frog, A. B., Ill, 113. 



of man, H. B., 7, Fig. 5. 

 Cortex of roots, P. B., 39. 

 Cost of foods, H. B., 56, Fig. 22. 

 Cotton, P. B., 130-132. 

 Cotyledon, P. B., 98, 101. 

 Cough medicines, H. B., 78. 

 Crab, A.B., 161, Figs. 113, 114. 

 Cranium, H. B., 146. 

 Crayfish, A. B., 151-163. 

 Crops, valuable, of New York State, 



P. B., 122, Fig. 58. 

 Crossing, artificial, of related species, 



P. B., 120. 

 Cross-pollination, P. B., 79. 



by bumblebees, P. B., 81. 



by insects, P. B., 86. 



by wind, P. B., 87. 



in pansy, P. B., 82-84. 

 Croton bugs, A. B., 31, Fig. 18. 

 Crow, A. B., 88, 90, Fig. 74. 

 Crown of tooth, H. B., 88, Fig. 30. 

 Crystalline lens, H. B., 163, Fig. 



52. 



Cuckoo, A. B., 85, 90, frontispiece. 

 Cucumber fruit, P. B., 90. 

 Cultivation of soil, P. B., 113. 

 Cure of tuberculosis, H. B., 32. 

 Cuts, treatment of, H. B., 29. 



Daily diet, H. B., 60-62. 



Dairy products of New York State, 



P. B., 123. 



Dandelion plant, P. B., Fig. 55. 

 Dandruff, H. B., 142. 

 Dangers to forests, P. B., 137. 

 Darwin, Charles, P. B., 82, 118, Fig. 



54. 

 Deciduous trees and shrubs, P. B., 



158. 

 Decomposition, result of action of 



bacteria, P. B., 140. 



Decrease in bird life, A. B., 91. . 

 Deep sea angler, A. B., Fig. 97. 

 Defective eyes, H. B., 164. 

 Dentine, H. B., 89. 

 Dermis, H. B., 140. 

 Destruction of birds, A. B., 92-97. 



effect of, A. B., 96. 

 Diaphragm, H. B., 1, 131, Fig. 1. 

 Diastase, P. B., 36. 

 Dicotyledons, P. B., 160, 170. 

 Diet, daily, H. B., 60-62. 

 Digestion, 



definition of, P. B., 37. 



in crayfish, A. B., 157. 



in fish, A. B., 130. 



in frog, A. B., 110. 



in man, H. B., 82-987 



of fats, H. B., 98. 



of insoluble salts, H. B., 95. 

 . of proteins, H. B., 95-96, 98. 



of starch, P. B., 37 ; H. B., 90, 98. 

 Digestive ferments, P. B., 38. 



of fish, A. B., 131. 



of man, H. B., 84. 

 Digestive glands, 



of crayfish, A. B., 157. 



of fish, A. B., 130. 



of man, H. B., 83. 

 Digestive system, H. B., 82-98, Fig. 



26. 

 Diphtheria, due to bacteria, P. B., 



145 ; H. B., 34. 

 Directions for notebooks, H. B., 185- 



186. 



Direct metamorphosis, A. B., 29. 

 Disease, 



prevention of, H. B., 102. 



safeguards of body against, H. B., 



42. 

 Disease-producing bacteria, P. B., 



145. 

 Diseases of respiratory organs, H. B., 



134. 



Dislocations, H. B., 149. 

 Dispersal of seeds, P. B., 91. 

 Distal, A. B., 6. 

 Distillation, P. B., 147. 

 Distilled liquors, P. B., 148. 

 Distribution of bacteria, H. 3., 16. 



