Chemicals, price list of, P. B., 176- Codfish, A. B., 144-146, Fig. 108. Chittenden's experiments relative to Cold-blooded animals, A. B., 194, Chlorophyll, P. B., 23, 28, 51, 60, Colds, H. B., 135. 62, Fig. 22. Chlorophyll bands, P. B., 167, Fig. 85. Chrysalis of butterfly, A. B., 12, Fig. Cider, P. B., 148. Cilia, in windpipe, H. B., 126, Fig. 18. of paramecium, A. B., 165, 167. of fish, A. B., 131, Fig. 99. of frog, A. B., 110. of man, H. B., 107-121. Citranges, P. B., 122. Clams, A. B., 185. Collar bones, H. B., 146. Fig. 44. Comb building of bees, A. B., 37, Fig. Composition of the body, H. B., 44. essential for plant growth, P. B., Classes of vertebrate animals, A. B., Conservation, 190. Classification, of animals, A. B., 190-194. of birds, A. B., 73-80. of invertebrates, A. B., 192-193. of vertebrates, A. B., 194. Clay, P. B., 110. Clothes moth, A. B., 19, Fig. 15. Clotting of blood, H. B., 108. Coal period, forests of, P. B., Fig. 65. Cockroaches, A. B., 31, Fig. 18. of birds, A. B., 97. of food fishes, A. B., 147–150. Constipation, H. B., 103. Consumption, due to bacteria, P. B.. Contractile vacuole, A. B., 169. 155. Corals, A. B., 178, Fig. 126. Corn grain, P. B., 95, 128. nutrients stored in, P. B., 104. Cocoa, P. B., 129, Fig. 63; H. B., 66. Corn production in United States, Cocoon, A. B., 13, Fig. 16. P. B., 119. Corn seedling, P. B., 100. Corn silk, P. B., 88. Corn stalk, P. B., 47, 49, 50. Corn "tassels," P. B., 87, Fig. 33. of frog, A. B., 111, 113. Cortex of roots, P. B., 39. Cost of foods, H. B., 56, Fig. 22. Crops, valuable, of New York State, Crossing, artificial, of related species, Cross-pollination, P. B., 79. by bumblebees, P. B., 81. by wind, P. B., 87. in pansy, P. B., 82-84. Croton bugs, A. B., 31, Fig. 18. Crown of tooth, H. B., 88, Fig. 30. Cuckoo, A. B., 85, 90, frontispiece. Daily diet, H. B., 60–62. Dairy products of New York State, Dandelion plant, P. B., Fig. 55. Dangers to forests, P. B., 137. Decrease in bird life, A. B., 91. Destruction of birds, A. B., 92–97. Diaphragm, H. B., 1, 131, Fig. 1. definition of, P. B., 37. in man, H. B., 82-98. of insoluble salts, H. B., 95. of proteins, H. B., 95–96, 98. of starch, P. B., 37; H. B., 90, 98. of fish, A. B., 131. of man, H. B., 84. Digestive glands, of crayfish, A. B., 157. 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- Direct metamorphosis, A. B., 29. prevention of, H. B., 102. safeguards of body against, H. B., Diseases of respiratory organs, H. B., Darwin, Charles, P. B., 82, 118, Fig. Dislocations, H. B., 149. 54. Dispersal of seeds, P. B., 91. Deciduous trees and shrubs, P. B., Distal, A. B., 6. Distillation, P. B., 147. 158. Distribution of bacteria, H. B., 16. Division of cell, P. B., 30. Drainage, P. B., 111, 114. Drawings, in laboratory, H. B., 181, Drone bee, A. B., 36, Fig. 24. Ducts, P. B., 45, 50, 62, Fig. 14. Ear, of bird, A. B., 65. of man, H. B., 166–167. of birds, A. B., 83-91. of butterflies and moths, A. B., 13- 22. of crustacea, A. B., 162. of fish, A. B., 141-144. of frogs and toads, A. B., 118. of grasshoppers, A. B., 30. of protozoa, A. B., 173. of grasshopper, A. B., 28, Fig. 19. of mosquito, A. B., 43, Figs. 31, 32 Elodea, P. B., 25, 28, Fig. 5. of crayfish, A. B., 159. of frog, A. B., 116, Fig. 86. of hen, A. B., 70, Figs. 52, 54. of plants, P. B., 77, 98, Fig. 29. 30. Endosperm, P. B., 101. use of, P. B., 104. Energy, definition of, P. B., 64. liberation of, A. B., 113, 135, 158; P. B., 66, 67; H. B., 123. transformations of, P. B., 65. 130. Exercise, importance of, H. B., 102, Existence, struggle for, P. B., 114- Exodus, A. B., 30. Expiration, H. B., 124, 132. of house fly, A. B., 57. in fish, A. B., 139. in grasshopper, A. B., 28. of egg cell in fern, P. B., 163. Fiber-producing plants, P. B., 130- 132. of mosquitoes, A. B., 54, Figs. 38, Fibers, P. B., 47. 39. External ear, H. B., 166. Eye, of bee, A. B., 31. of bird, A. B., 62. of butterfly, A. B., 6. of crayfish, A. B., 156. of grasshopper, A. B., 22. False foot, A. B., 170, 171. Fat, composition of, P. B., 14, 15. in human body, H. B., 44. uses of, H. B., 51. Feathers, A. B., 67, Figs. 49, 50. Feeding of birds, A. B., 99. Fibrous bark, P. B., 46. Field work on birds, A. B., 82. of goldfish, A. B., 126. Fire, lanes, P. B., 139. of food, P. B., 145. relation of bacteria to, H. B., 22. Flax, P. B., 130. Fleshy fruits, P. B., 93, 96. Flies, A. B., 57-59. and typhoid fever, H. B., 37. Floods, prevention of, P. B., 136. Floral envelopes, P. B., 71, 72, 79, 88 Fehling's solution, preparation of, Flowers, P. B., 70-88. P. B., 17. Femur, of bee, A. B., 33. of grasshopper, A. B., 24. digestive, P. B., 38. in fish, A. B., 131. in frog, A. B., 110. in gastric juice, H. B., 94. in saliva, H. B., 92. Ferns, P. B., 161-164, Figs. 82, 83. in bees, A. B., 36. in bird, A. B., 70. in butterfly, A. B., 11. gladiolus, P. B., 72–74. pansy, P. B., 79-82. tulip, P. B., 70-72. Fly-catchers, A. B., 80, Fig. 69. of amoeba, A. B., 171. of butterfly, A. B., 7, 11. of crayfish, A. B., 157. of fish, A. B., 128. of frog, A. B., 104, 110. of hydra, A. B., 177. of mussel, A. B., 182. of paramecium, A. B., 165, 168. manufacture by plants, P. B., 22, Gill chamber, A. B., 155. Fungous diseases, loss of crops due Grape sugar, to, P. B., 117. Furnace heat, H. B., 138. Gall bladder, H. B., 101, Fig. 2. glass-plate, P. B., 102. Gastric glands, H. B., 93, Fig. 31. composition of, P. B., 14, 15. test for, P. B., 16. Gray matter of nervous system, H. B., Grazing animals, a danger to young |