6 
INDEX 
C 
Cabbage, member of mustard 
family. 
yellows, a plant disease . 
Cabbages, storage of food in 
value of, as food .... 
Cactus, length of roots of 
Calcareous skeleton of coral 
Calcium, a chemical element 
Calcium phosphate, in Pasteur 
solution. 
Callus in broken bone . . . 
Calorie, defined. 
needs . 
Calyptrogen. 
Calyx, described. 
Cambium. 
Cambium layer in woody stems 
Camel, economic importance of 
Camomile, flowers of . . 
Canada thistle .... 
Canal, alimentary, of frog 
of man (digestive tube) 
Cancer. 
Cane sugar in Pasteur solution 
Canine teeth . . . 
Canker worms . 
Capillaries, described . 
Capillary circulation 
Caprifig. 
Capsule, a form of fruit 
dehiscent fruit . . 
of moss. 
Capsule containing eggs of 
earthworm. 
Caraway, member of parsley 
family. 
Carbohydrates, a class of food 
stored by bean. 
Carbolic acid, a disinfectant 
a poison -. 
Carbon. 
Carbon dioxide, a waste product 
of respiration . . . 5, 21, 446 
formed by yeast plant. . . 321 
product of respiration in 
seeds.229 
taken from the air by 
' plants.278 
Cardiac valve of stomach . . 408 
Care of the eyes.475 
Care of food.497 
Care of the teeth.406 
Care of young by fish .... 80 
Careless pruning, results of . . 358 
Carnivorous plants, modifica¬ 
tions of.366 
Carp.79 
Carpellate cone of pine . . . 343 
Carrier of disease.500 
Carrion beetle, beneficial insect 34 
Carrot, example of biennial. . 252 
member of parsley family . 300 
storage of food in ... 278 
Cartilage, in skeleton .... 433 
rings in air passages . . . 444 
where found.433 
Casein, a form of protein . 14, 416, 
505 
Castor oil.222 
Catalpa, as ornamental trees . 364 
rapid growth of.352 
Caterpillars, destructive insects 27 
larvae of butterflies .... 28 
stage in metamorphosis . . 28 
Catkin-like flowers of walnut . 297 
Catnip, a medicine.300 
Cattle, escape inspection 177, 500 
value of, to man.376 
Caudal fin of crayfish .... 61 
Caudal region of fish .... 72 
Cauliflower, use of .... 217 
Cause of disease.487 
Causes of obesity.504 
Caustic potash in Fehling’s solu¬ 
tion .228 
Cedar, a conifer.352 
Cedar of Lebanon, age of . . 261 
Cedar, leaves of.345 
Celery, plant blanching of . . 293 
storage of food in ... . 292 
Cell, name given by Hooke . . 141 
of pleurococcus.304 
unit of structure .... 6 
wall. 7 
Centipedes.66 
Central axis of pine cone . . 343 
Central cavity, of sponge. . . 156 
of bone . 436 
Central nervous system, of frog 88 
of man.468 
References are to pages 
298 
380 
292 
292 
254 
166 
13, 412 
322 
436 
416 
418 
247 
198 
267 
267 
134 
217 
261, 272 
86 
404 
488 
322 
406 
41 
453 
453 
243 
237 
. 237, 238 
328 
183 
300 
410 
228 
512 
221 
12 
