8 



INDEX 



References are to pages 



Chinese silkworm 



Chipping- sparrow, useful 

 bird 



food of 



Chloride of lime 



Chloroform, example of anes- 

 thetic 



action on lipoid 



Chlorophyll, in leaves of bean 



of pleurococcus 



Chloroplasts, containers of 



chlorophyll 



Choroid, coat of eye (fig.) . . 



Chrysanthemums, perfect 



blooms of ....... . 



Cicada, adult and nymph (fig.) 



description of 



member of Hemiptera . . . 

 Cigarette smoking", effect of . 

 Cilia, in air passage 



of paramoecium 



of sperms of moss, use of . . 



Ciliata, classified 



Ciliated larva, of liver fluke . 

 Circular muscles, of earth- 

 worm 



Circulation, effect of alcohol on 



in plants 



of mollusks 



organs of (fig.) 



Civilization, advanced by agri- 

 culture 



Clam, digestive tube of (fig.) 



embryo of (fig.) 



example of mollusk . . . . 



laboratory study of .... 



right shell of (fig.) 



showing foot (fig.) 



soft-shell (fig.) 



Clams, artificial raising of . . 



edible 



example of pelecypoda . . . 



fresh water 



growing on oyster (fig.) . . . 

 Clasping base, of corn leaf . . 



of grass leaves 



Classification, basis of, in Pro- 

 tozoa 



of birds ... \ ..... . 



of plants by Linnaeus .... 



28 



144 



31 



253 



221 

 223 



272 

 339 



272 

 216 



226 

 25 

 25 

 24 



227 



195 

 50 



366 



6 



77 



80 

 205 

 278 



97 

 199 



326 



95 



97 



6,94 



96 



95 



94 



100 



100 



100 



6 



94 



101 



281 



323 



52 

 139 

 303 



of 



Classification, continued 



of seeds 



of living things .... 

 Clean milk (fig.) . . . 

 Cleft grafting"(fig.) . . 

 Cleistogamous flowers 



violet (fig.) 



Clematis, twining petiole (fig.) 



use of petioles in 



Climbing plants, thigmotro- 



pism in 



Climbing stems compared 



with trees 



Clitellum of earthworm . . 



Cloaca of frog 



Clothing, obtained from mallow 

 family 



source of 



Clover, affected by darkness 



member of pulse (bean) 



family 317, 



Club moss, related to ferns . . 



sporangium of (fig.) .... 



spores of (fig.) 



uses of 



Coal, formation of 



study of, in connection with 



ferns 



Coating of hairs, use to Arctic 



plants 



Coats of pollen grain . . . 

 Cob, relation to corn grains . . 

 Cobra, most deadly snake . . 

 Cocaine, a poison 



cause of disease 



Coccus, a form of bacteria . . 



Cockroaches, family of Or- 



thoptera 



harmful insects 



Cocoanut, a fruit distributed 



by water 



Cocoon, of cecropia (fig.) . • 



of codling moth . . . . . . 



Cod, classified 



example of bony fish .... 



value of, as food 



Codfish 



Codling moth, a harmful Lepi- 

 doptera (fig.) 19 



complete metamorphosis of 



263 

 6 



348 



286 



301 



292 

 294 



287 



286 



83 



116 



329 

 401 

 393 



318 

 369 

 373 

 373 

 374 

 374 



369 



397 

 299 

 309 

 132 

 232 

 232 

 343 



20 

 22 



314 

 30 



18 



6 



106 



178 



178 



,28 

 17 



