INDEX 



429 



Caustics, 46 



Cell association, 112 



Cell, centrosome of, 100 



definition of, 92 



granules of, 94 



nucleus of, 96 

 Cell division, 91, 101 



direct, 105 

 Cells, plant, 96 



reproductive, 169 



size of, 93 

 Cell wall, 98 

 Cellulose, 90 



Central nervous system, develop- 

 ment of, 150 

 Centrosome, 100 

 Cercomonas, 308 

 Cestoda, 309 



Chambers on evolution, 260 

 Chameleon, effect of light on, 58 

 Chemical stimulation, 46 

 Chemicophysical theory of 



heredity, 247 

 Chemicophysicists, 81 

 Chemotropism, 46 

 Chiggerbuttons, 316 

 Chlorophyl, 57 

 Chloroplasts, 59, 96 

 Cholera, immunization against, 



369 



Chromatin, cell, 97 

 Chromatophores, 96 

 Chromoplasts, 59, 96 

 Chromosomes, 97 



division of, 103 



in cell division, 102 



reduction of, 189 

 Cicatricial tissue, 382 

 Cilia, 76, 124 



oval, 77 



Ciliate movements, 76 

 Ciliates, structure of, 108 



Cindocil, 126 



Circulation, cytoplasmic, 72 

 Circulatory system, develop- 

 ment of, 128 

 Cirripedia, 311 

 Classes, 280 

 Classification, history of, 273 



modern, 283 

 Cleft palate, 221 

 Cleistogamous flowers, 185 

 Cobra venom, 345 

 Coccidia, 308 



cell-wall of, 99 



sporulation in, 168 

 Coelenterata, 309 

 Coelum, 204 



Cold. See Temperature. 

 Cold-blooded animals, effect of 



temperature on, 39 

 Coleoptera, 316 

 Colon bacillus, 304 

 Colonial aggregations, 113 

 Commensalism, 298 

 Complement, 350 

 Coordination, development of, 



147 



Cornea, 161 



Corpuscles, Meissner's, 158, 160 

 Conductivity, 67 

 Conformity to type, 223 

 Conjugation, 170 



in spirogyra, 177, 178 

 Connective tissue, regeneration 



of, 382 

 Consciousness, 155 



development of, 149 

 Constant characters, 274 

 Contractile movements, 80 



vacuoles, 73, 100 

 Cosmical relations of living 



matter, 17 

 Creite on blood, 290 



