INDEX 



cancer (tumour), 147, 210 sqq., 350 



CapscUa, 252 



carcinogen, 213 



Caspcrsson, 147, 329 



caste, 355 sqq. 



cat, 49, 346 



cell, 16 sqq. 



competition, 198 

 lineage, 212 sqq. 

 see also gradient and pollen 

 centromere, 25 sqq., 44 sqq., 100 sqq. 

 characters, 36 



capital and subordinate, 300 

 chemical mutation, i'. mutation 

 chemical tests, 145, 159 

 cherry, u. Primus 

 chiasma, 30 sqq., 44 sqq., 121 

 frequency, 137, 234, 288 

 chimaera, iii 

 Chlamydoinonas, 44 

 chloroplast, 44, 169 sqq. 

 chromatid, 25, 30, 45 

 chromomere, 27, 33, 119, 147, 329 

 chromosome 



breakage, 100 

 chemistry, 145 

 coiling, 30 



homology, 33, 102, 135 

 mitosis, 23 

 numbers, 324 

 orientation, 123 

 pairing, 27, 30, iio, 135 

 supernumerary, 147, 150, 329 

 theory, 45 

 Chuksanova, 123, 124 

 Cimex, 150 

 Claude, 207 

 cleavage, 197 

 cleistogamy, 241 

 cline, 351, 364 

 clone, 16 

 Cockayne, 347 

 colchicine, 95 

 colonization, 140 

 colour-blindness, 49 

 competition 

 cell, 198 



in sexual reproduction, 268 

 plasmagene, 179 

 pollen-tube, 253 

 precursor, 165 

 co-operation 



of genes, 158 

 of nuclei, 199 

 of viruses, 209 



330 



Coprinus, 248 

 corolla length, 70, 71 

 correlation 



coefficient, 61, 62 



fraternal, 90 



parent-offspring, 90 

 correlated response, 298 sqq. 

 covariance, 60, 78, 82 sqq. 

 Crane, iii 

 Crataegomespilus, 228 

 Crcpis, 105, 123 sqq., 324 

 Crocus, 26, 324 



cross-breeding, v. outbreeding 

 crossing-over, 30 sqq., 45 sqq., 100 sqq., 

 10 J sqq., 121 



reciprocal, 52, 132 

 suppression, 132 

 Culex, 346 

 Cytisus, 228 

 cytoplasm, 17, 149, 168, 189, 216 



Dahlberg, 347 



Dahlia, 164 



Darwin, 242, 248, 273, 300, 305, 328, 



360, 370 

 Datura, 96, 104, 126 sqq., 315, 316 

 dauermodification, 183 

 deficiency, 103, 152 

 Delbriick, 274 

 delinquency, 349 

 development, 16, 37, 112, 127, 1$'] sqq., 



168 sqq., 189 sqq. 

 De Vries, 62, 263 

 diakinesis, 30 

 dicentric, 132 

 Diehl, 349 



differential segment, 52, 133, 346 

 differentiation, 16, 150, 189 

 diminution, 197 

 dioecy, 240, 243, 252, 258 

 diploid, 24, 29 

 diplotene, 30 

 Diptera, 290 



disease resistance, 210, 349, 353, 358 

 Dobzhansky, 292, 312, 313, 337 

 dominance, 37, ?>0 sqq., 109, 11^ sqq., 156 

 Drosophila 



abdominal hairs (chaetae), 73 sqq., 298 



Bar gene, loj sqq., 152 



chromosome assays, 76 



chromosomes, 26 



crossing over, 46, 290 



cubitus ititcrruptus gene, 160 



cytoplasmic heredity, 215 



development, 190, 202 



440 



