INDEX 



463 



Cells, size of, 94 

 Cellulose, 90 



Central nervous system, develop- 

 ment of, 155, 165 

 Centrosome, 101 

 Cercomonas, 338 

 Cestoda, 339 



Chambers on evolution, 287 

 Chameleon, effect of light on, 58 

 Chemical stimulation, 46 

 Chemicophysical theory of he- 

 redity, 274 



Chemicophysicists, 81 

 Chemotropism, 46 

 Chief brain, 155 

 Chiggerbuttons, 346 

 Chlorophyl, 57 

 Chloroplasts, 59, 97 

 Cholera, immunization against, 



399 



Chromatin, cell, 98 

 Chromatophores, 97 

 Chromoplasts, 59, 97 

 Chromosomes, 98 



division of, 105 



in cell division, 104 



reduction of, 204 



separation of, 105 

 Cicatricial tissue, 412 

 Cilia, 76, 126 



oral, 77 



Ciliate movements, 76 

 Ciliates, structure of, 110 

 Circulation, .cytoplasmic, 72 

 Circulatory system, development 



of, 129 



Cirripedia, 341 

 Classes, 308 

 Classification, history of, 301 



modern, 311 

 Cleft palate, 240 

 Cleistogamous flowers, 199 

 Cnidocil, 128 

 Cobra venom, 375 

 Coccidia, 339 



cell wall of, 100 



sporulation in, 182 

 Ccelenterata, 339 

 Coelum, 223 



Cold. See Temperature. 

 Cold-blooded animals, effect of 



temperature on, 39 



Coleoptera, 346 

 Colon bacillus, 334 

 Colonial aggregations, 115 

 Commensalism, 328 

 Complement, 380 

 Compound reflex action, 169 

 Conductivity, 67 

 Conformity to type, 249 

 Conjugation, 185 



in spirogyra, 191, 192 

 Connective tissue, regeneration 



of, 412 

 Consciousness, 170, 174 



development of, 174 



existance of, 175 

 Constant characters, 302 

 Contractile movements, 80 



vacuoles, 73, 101 

 Controller, 152, 153 

 Coordination, development of, 



148 



Cornea, 160 



Corpuscles, Meissner's, 157, 159 

 Correns on sex determination, 246 

 Cosmical relations of living mat- 

 ter, 17 



Creite on blood, 318 

 Criteria of life, 31 

 Crone, 88 

 Cross-breeding as a Lamarckian 



factor, 286 

 Crustacea, 341 



Cultivation of tissue in vitro, 456 

 Cuvier on evolution, 284 



on paleontology, 304 

 Cuvier's classification, 306 

 Cyclical changes of protoplasm, 



32 



Cytisus, grafting in, 441 

 Cytolysis by electricity, 63 

 Cytomorphosis, 446 

 Cytoplasm, 95 

 Cytoplasmic circulation, 72 

 Cytotoxins, 317, 378 



DANIEL on grafting, 440 



Darwin (Charles) and evolution, 

 288 



Darwin (Erasmus) and evolu- 

 tion, 284 



Darwin's theory of pangenesis, 

 252 



