INDEX 



417 



Child, C. M., 45, 46, 92, 141, 142, 216, 



239, 289, 312, 340, 353 

 Chimney swifts, flocks, 343 

 Chimpanzee, 348 

 Chironomidae, swarms of males, 66 



breeding behavior, 66 



host for nematodes, 300 

 Chironomtis, see Chironomidae 

 Chlorine content of hj^potonic sea-water, 



225 

 Christie, J. R., 299, 300, 301, 302, 303 

 Chromosomes in Cladocera, 303 

 Chrysomelid beetle abundance, 359 

 Church, F., 113, 116, 119 

 Churchman, J. W., 167, 252, 254, 255, 



257, 258, 259 

 Cicadas, abundance, 359 

 Cladocera, mass protection from colloidal 

 silver, 202, 210 



male production in, 235, 303 



chromosomes, 303 



asexual generations, 304, 309 

 Clark, N. A., 52, 159 

 Classes of animals, 356 

 Clausen, R. E., 334 



Climatic factors and animal numbers, 321 

 Clowes, G., 269, 270 

 Cobb, N. A., 299, 300, 302 

 Coccinelid beetle hibernation, 28 



abnormal breeding behavior, 29 



Cockerell, T. D. A., 77 

 Cohn, E. J., 267, 268, 269, 272, 276, 281; 

 284, 285 



Colloidal silver, recipe, 201 



mass protection from 201, 222, 258 



Flanaria, 202 



Cladocera, 202 



Aselliis, 202 



reconditioned solutions, 203, 204, 207 



Paramecium, Colpodium, Stylonychia, 



Stentor, Hydra, Convoluta, leeches 



and tadpoles, 204 

 goldfish, 209 

 specificity of protection from, 210, 231 



Colonies, primary, 16, 23, 35 

 homomorphic, 16, 23 

 heteromorphic, 16, 23 

 concrescence, 16 

 polymorphic, 23 

 reciprocal, 23 

 irreciprocal, 24 

 secondary, 24 



Coloration, crowding in grasshoppers and, 



319. 325, 328 

 Colpidium, 161, 166, 167, 168, 212 

 Colpoda, 161, 204 

 Colton, H. S., Ill, 119, 147, 148 

 Comas, M., 301, 302 

 Commensalism, 29, 341, 360 

 Common interests of animals, 86 

 Communal activity of bacteria, 167, 247, 



259, 261 

 Communities animal, 4, 5 

 plant, 4, 5 

 biotic, 8 

 Community, 5, 6 

 ecological, 23, 36 

 definition, 80 

 integration, 80 

 organization, 81 

 man-dominated, 82 

 black-bass-dominated, 83 

 of bacteria, 247, 261 

 Comte, A., vii 



Conditioned medium, reaction of 

 Ameinriis to, 62, 90 

 reconditioned against colloidal silver, 



207 

 heterotypic conditioning, against col- 

 loidal silver, 210 

 protection against hypotonic sea-water, 



221 

 against hypotonic sea- water, 225 

 factors concerned in, 231 

 Paramecium cultures, 176, 177, 235 

 in allelocatalysis, 165, 176 

 sec also Exudates 

 Conditioning of environment by Asellus, 

 279 

 at origin of life, 354 

 Conklin, E. G., 123 

 Contact-odor responses, 89 

 Convoluta, effect of glass on 125 

 autodestruction in KCl, 140 

 mass protection from, colloidal silver, 

 204 

 h\T3otonic sea-water, 222, 223, 224 

 metallic silver, 277 

 Co-operation, 337, 338, 350, 352, 362 



Copepoda, 12, 358 



influence of crowding on sex, 290, 309 

 Copper chloride, effect on spermatozoa, 



272 

 Coral colonies, associated animals, 32 

 Corymor pha, cell aggregations, 45 



