Carson, 159 



Cams, 301 



Caryophyllaceae, 147 



Ciistes in social insects, 80 



Catalysts, 9 



Caterpillars, 61, 64, 130 



Cell wall, 24 



CeUs, 19, 2.3 



Cellulose, 24 



Centric fragment, 184 



Centric fusion, 186, 195 



Centrioles, 26, 27 



Centromere, 27, 34, 50, 184 



Centrosome, 26 



Cepaea, 133-136, 212, 230, 247 



hortensis, 136 



nernoralis, 133, 135, 136 

 Certhidea oUvacea, 224, 225, 227-229 

 Character displacement, 229, 231, 249 

 Checkerspot butterflies, 75-79, 303-307 

 Cherries, 190 

 Chiasmata, 32-34, 183 

 Chimpanzees, 282, 286 

 Chlorophyll, 11,26 

 Chloroplastids, 26, 165 

 Chromatids, 27, 32-34, 41 

 Chromosomal deletions, 47, 48 

 Chromosome bridge, 176 

 Chromosome number, gametic, 34, 183, 

 184 



zygotic, 184 

 Chromosome rings, 50, 182 

 Chromosomes, 17, 26-35, 40, 167 



acrocentric, 186 



alterations of, 48-51 



autosomal, 28, 47, 178 



B type, 187 



bridges, 176 



dicentric, 49, 176 



differential segment of, 47, 178 



interstitial segments of, 178 



hmited, 187, 188 



maps of, 46, 47 



metacentric, 186 



neo-X, 178 



neo-Y, 178 



pairing segments of, 47, 178 



polytene, 49, 63 



rings of, 50, 182 



salivary gland, 47, 49, 140 



sex, 28, 32, 47, 175 



somatic pairing of, 49 



Chromosomes, spiralization of, 28, 30 



supernumerary, 186 



synapsis of, 32, 41, 176, 187, 190 



X, 47, 48, 178, 180 



¥,47,48,175,178,180 

 Cichlidae, 220, 244, 265 

 Cichlids, 244, 265 

 Cilia, 26 

 Cis state, 38 

 Cistrons, 39 

 Cladocera, 205 

 Cladocerans, 201 

 Cladonia, 87 

 Clarke, 159 

 Clarkia, 180-182, 186. 187 



amoena, 180-182 



franciscana, 180-182 



rubicunda, 180-182 

 Clausen, J., 154, 155, 213, 214, 249, 312 

 Clays, reactions at surface of, 9 

 Cleistogamous flowers, 197 

 Cleland, 178, 182 

 Clematis freviontii, 76, 78 

 Cleora repandata, 130, 131 

 Climax community, 86 

 Clinal variation {see Variation) 

 Clines, 212, 214-218 

 Clone, 74, 196, 205, 248 

 Clover, white, 146 

 Club mosses, 263 

 Cnemidophorus, 204 

 Coacervates, 8, 12, 13, 19 

 Coadaptation, 153 

 Cobras, 265 



Cockroaches, 178, 270, 295 

 Coelacanth fishes, 259 

 Coelenterata, 74, 168, 196 

 Coenonympha tullia, 218, 234 

 Coenzymes, 9 

 Colchicine, 189 

 Coleoptera, 200 

 CoUoid, 12 



Colonial organisms, 74 

 Colony, 80, 158 

 Communion, 291 

 Community, 86 



climax, 86 



closed, 171 



equihbrium in, 86 



evolution of, 87 



open, 171 

 Competition, 270,311 



335 



