ii 



INDEX 



Bedbug, A 92, 93. 



Bee, bumble, A 89 ; honey, A 88. 



Beebe's experiments, Dr., H 1 13. 



Beef, H in; tea, H in. 



Beetle, A 90, 91. 



Berry, p 167. 



Biennial plant, P 17. 



Big-headed turtle, A 149. 



Bilateral, A 34, 49, 98. 



Bile, H 105. 



Bill of bird, A 151. 



Biology denned, A i, H 9. 



Birds, A 150. 



Blind spot, H 151. 



Blood, H 58; quantity of, H 55; of 



insects, A 78. 



Blood vessels, H 52; control of, H 58. 

 Board of Health, H 163. 

 Boll weevil, A 95, 96. 

 Boll worm, A 95, 96. 

 Bones, H 29; composition of, H 31; 

 growth of, H 14, 36; forms of, H 28, 

 29, 34; structure of, H 30. 

 Bony tissue, H 13. 

 Borax, H 93. 

 Brace cells, p 67. 

 Bracts, p 134. 

 Brain, H 122; coverings of, H 125; 



of fish, A 118. 

 Branch, p in, A 9. 



Breathing, forms of, H 80; of bird, A 

 161; of insect, A 76; through mouth, 

 H 85. 



Breeding, plant, p 7, 8. 

 Bronchial tubes, H 75. 

 Bruises, H 62. 

 Bryophytes, p 181. 

 Bud propagation, p 121. 

 Budding, p 127, 128. 

 Buds, P 72, 82, 87, in; flower, p 115; 



fruit, P 115. 



Bureau of entomology, A 95. 

 Burns, H 24. 

 Burs, p 172, 174. 

 Bushes, p 191, A 171. 

 Butterfly, A 83. 



Cabbage, p 113, H 95. 

 Cabbage butterfly, A 84, 86, 87. 

 Callus, P 56. 

 Calyx, p 133. 

 Cambium, p 63, 65. 

 Camel, A 214. 

 Candle, xv, A 5. 

 Cane sugar, H 92, 104. 

 Capillaries, H 52, 53, 56. ' 



Capsule, P 165. 

 arbohydrate, p 95, a 91, 95. 



Carbon, vii, xviii, p 92. 



Carbon, dioxid, A 24, p 22, 93, 106, 

 H 60, 76, 81, 132; monoxid, H 85. 



Carnivorous, P 99, H in. 

 'arp, A 112, 117, 123. 

 arpel, p 136. 

 artilage, H 13, 35. 

 lastor bean, p 24. 



Cat, A 184. 



Caterpillar, tent, A 84. 



Catkin, p 158. 



Caucasian, H i, 2. 



Caulicle, P 20, 22, 25. 



Cedar apple, p 194. 



Cell, P 42, 63, 145, 176, A 6, 7, H 

 5,6. 



Celom, A 46. 



Cephalopod, A 106. 



Cerebellum, H 122, 124. 



Cerebro-spinal system, H 128, 129. 



Cerebrum, H 122, 125, 126. 



Chelonia, A 143. 



Chemistry, xv. 



Chemical symbols, xv. 



Chest, H 32. 



Chewing, H 99, 101. 



Chimpanzee, A 219, 221. 



Chirping, A 66. 



Chitin, A 77. 



Chlorophyll, p 86, 94, 101, 183, 186. 



Cholera, H 160. 



Choroid, H 150, 152. 



Chyme, H 103. 



Cigarettes, H 67, 86. 



Cilia, A 14, 20, 101, 103, H 76. 



Ciliated chamber, A 17. 



Cion, p 125. 



Circulation, H 51 ; and breathing, H 58; 

 and exercise, H 67 ; hygiene of, H 68; 

 in ameba, A 12; in insect, A 77; in 

 fish, A 117-, portal, H 60, 105; pul- 

 monary, H 60; renal, H 60. 



City, H 4. 



Cladophylla, p 100. 



Clam, hardshell, A 104; softshell, 

 A 104. 



Class, A 9. 



Classification, of animals, A 8, 125; 

 of birds, A 177; insects, A 82; 

 mammals, A 193. 



Cleft graft, p 126. 



Cleft leaf, p 75. 



Cleistogamous, p 151. 



Click-beetle, A 91. 



