INDEX 



105 



Bacterial infection, 167 



Badger, 47 



Bananas, 96 



Barberry, stamens move, 119 



Barnacle, 61 



larvae of, 151 

 Bats (Cheiroptera), 84 



"flying foxes," 145 

 Beaver, 81 



Bee, queen, fertilization of, 187 

 Beehive, temperature of, 110, 155 

 Bees, bumble, 62, 155 



working, 62, 155 



mites in trachea of, 106 



temperature of, 110 



vibration of wings, 128 



specialized functions of, 154 



rhythmic activity of, 155-7 

 Begonia, buds of, 163 

 Beri-beri, 94 

 BUe, 91 



Binary compounds, 21 

 Bird-Hce, 62 

 Birds, food of, 71 



high temperature of, 109 



flight of, 129 



wing muscles of, 129 

 Black Cock, muscles of, 107 



speed of flight, 130 

 Blood, function of, 92 



oxygenated, 103 



corpuscles, 107 



amount of, in mammals, 109 

 Body-cavity, 88 

 Bombus lapidarius, hibernation of , 156 



B. terrestris, hibernation of, 156 

 Bonellia, 186 



male, 189 

 Bottom of sea, uniform conditions 



of, 58, 148, 149 

 Brachiopods, 35, 178 

 Bracken-fern, Pteris, 116, 171, 172 

 Branchiae, 103 

 Bryophyllum, 183 

 Buttercup, runners of, 163 



reproduction of, 187 

 Butterfly, 167 



Cabbage, Vitamin C in, 95 

 Calcium, in protein, 9 

 in protoplasm, 41 



Calories, 95 



number necessary, 96 

 Camel, food of, 79 " 



corpuscles of, 108 

 Capillaries, nunibor of, in man, I l<» 



in horse, 1 10 



in guinea-jHg, 110 

 Capillarity, 50 

 Capsule, 172 

 Carbo-hydrates, 22, 29, 40, 56, 57 



in vegetable food, 58 

 Carbon, in protein, 7 



in protoplasm, 41 

 Carbon dioxide, 21, 29, 32, 41, 99, 

 100, 101 



rate of oxidation controlled bv, 102 



solubility in water, 102 



discharged, 110, 112, 113 

 Carboniferous age, 180 

 Caribou (American reindeer), 79 

 Carnation, 164 

 Carnivora, 81 

 Carnivorous animals, 34, 74, 51 



insects, 61, 62, 65 



fish, 67 



reptiles, 68-9 



birds, 71 

 Carotin, 93 

 Caspian Sea, 179 

 Cell-division, rhythm in, 135 

 Cells, 14, 17 



derivation of name, 17 



structure of cell walls, 18 



palisade, 53 



of sponge, 87 



movement of, 121 

 Cellulose, 18, 90 

 Centipedes, 47, 61 



respiratory system of, 104 

 Cestoda, 24 



larvae, movement of, 123 

 Cetacea, see Whales 

 Chaetae, 126 

 Chaetoijnatha, 178 

 Chaetopods, haemoglobin in, 107 

 Chaetopierus, 190 

 Chalk, 44 



Chameleon-shrimp [Ilipjmhite), 135 

 Chara, 61, 157 

 Chim]ianzee, 84 

 Clnrunumua, 107 

 Chiton f breeds at full moon, 110 



13-a 



