INDEX 



501 



Bombinator, lens-differentiation, 185, 

 186 f. 



organiser, heteroplastic grafts, 142 



organiser in Triton, 141 



situs inversus, 74 

 bone, 33 



differentiation, 201, 434 

 Bonellia, determination, 140 

 brachial plexus, 390 

 Brachiopod, shell-growth, 368 

 Brachyura, abdomen-growth, 367, 422 

 brain, 30, 373, 382, 388 



determination, 137 



differentiation, thyroid, 396 



mammalian, fields, 364 



mosaic development, Rana, 246 

 Bufo, differential inhibition, 349 



lens-differentiation, 186 f. 



regeneration, 366 



calcium-free water, 401, 402 

 Camponotus, chemo-differentiation, 



127 

 cancer, 54, 213 



capillaries, re-differentiation, 211 

 carcinoma, 179 

 cartilage, differentiation, 33, 201, 434 



visceral, 394, 395 

 cataphoresis, 496 



centrifugalisation, 66, 83, 217 f., 313, 

 398 

 Ascaris, 400 

 Ascidians, 67, 123, 125 

 frog, 67, 219 

 Ilyanassa, 122 

 sea-urchins, 69, 218, 221 

 Cephalopods, cleavage, 83 

 differentiation, 350 

 dorso-ventral axis, 70 

 mosaic development, 208 

 Cerebratulus, egg-fragments, 120 



polarity, 62 

 Chaetopterus, centrifugalisation, 219 

 cleavage, 132 



differential susceptibility, 332, 333 

 differentiation without cleavage, 132 

 double monsters, 114, 328 

 egg-fragments, 120 

 polar lobe, 113, 171, 219 

 polarity, 62 

 chela, growth, 367, 422 

 chela-asyinmetry, Crustacea, 71 

 chemo-differentiation, 46, 53, 127, 

 195, 440 



chemo-differentiation, of subregions, 



243 

 precocious, 122 

 progressive, 221, 225 

 chemotaxis, 263 



chick, differentiation of blastoderm- 

 pieces, 267 

 eye, self-differentiation, 201, 204 

 lens-differentiation, 186 

 limb, mosaic determination, 226, 



227 

 limb subregions, 225, 226, 227 

 mesonephros, self-differentiation, 



207 

 metanephros, self-differentiation, 



200 

 mosaic development, 195 

 neuron-differentiation, 381 

 organ-rudiments, 199 

 organiser, 159 f., 160, 310 

 rudiments explanted, 204 f. 

 self-differentiation, 196 

 sex-differentiation, 263 

 situs inversus, 78 

 temperature-gradient, 343 

 chimaeras, 363, 405, 406 

 choanae, 180 

 chondrification, 177 

 chorda-mesoderm, 50, 489 

 chorio-allantoic grafts, 195, 199 f., 267 

 chorion, 327 

 choroid fissure, 189, 238 

 Chorophilus, blastomere isolated, regu- 

 lation, 93 

 chromatin-diminution, Ascaris, 399, 



400 

 chromosomes, 398, 399, 400, 403 



elimination, Sciara, 401 

 Cidaris, larval hybrids, 408 

 cilia-beat, polarity, 236, 487, 488 

 ciliated band, pluteus, 181 

 Ciona, mosaic development, 123 



prelocalisation, 119 

 circulatory system, 425 

 Clavellina, de-differentiation, 287 



winter-buds, 64 

 cleavage, 13,39, 67, 83 f., 126, 328, 344 

 asymmetry. Molluscs, 71, 72 

 axolotl, 132 

 Chaetopterus, 132 

 Clepsine, 72 

 Ctenophores, 105 

 Dentalium, 109, no 

 Echinoderms, 103, 128, 130 



