724 



Index 



Cross reactions with haptens, 557, 

 558 

 interpretation of, 557, 558 



Ctenophores, progressive differ- 

 entiation in, 321 



Cutaneous fibers, 385 



Cyclopia, and local induction of, 

 307 



Cyclostomes, regeneration of, 675 



Cytochrome c, 376 



Cytokinesis, 107, 109 



factors involved in, 108-109 



Cytoplasm and body size, 128-129 



Cytoplasmic areas, chemical char- 

 acterization of, 324 



Cytoplasmic particles in differen- 

 tiation, 284-286 



Cytoplasmic streaming, cleavage 

 pattern and, 218 



Dedifperentiation in regenera- 

 tion, 667, 679, 680 



Degeneration, 382, 383, 388 

 cellular, in normal develop- 

 ment, 378, 381, 709, 710 

 in teratogenesis, 702, 709, 710 



"Demyelinization," 388 



"Dendrites," 351, 376 



Dendritic fields, 356, 382 



Denervated field, 365 



Denervated tissue, emanations 

 from, 368 



Dermis, 499 



dermatome eind, 500, 501 

 neural crest and, 500, 501 

 somatopleural origin of, 500, 

 501 



Desoxyribonucleic acids, 365 



Determination of axes, 230-232 

 of cell complex, 379 

 of choroid fissure, 403 

 of dorsaUzation, 232-234, 271, 



283 

 of ectodermal derivatives, 255, 



256 

 of heart, 443, 444 

 of imaginal discs, 340, 341 

 of individual cell fate, 379 

 by induction, 338 

 initial steps of, 232-234 

 in insect development, 337-338 

 of lens regeneration blastema, 



692 

 of limb regeneration blastema, 



679 

 of medullary plate, 250-254 

 metabolic patterns and, 282-283 

 of mouth implements, 263-264 

 of otocyst, 258 



progressiveness of, 338, 340 

 of retinal cup, 402-404 

 symmetry in, 231-232 

 Development, activity metabolism 

 in, 522 

 anaerobiosis in, 523 



Development of androgenetic hy- 

 brids, 143-146 

 aneuploidy effects on, 137-138 

 of antibody-forming capacity, 



564-566 

 antigens in, 556-564 

 asymmetry determination in, 



161-163 

 of blood vessels, 450-452 

 Boveri, 19 

 of brain, 371-372 

 causal analysis, beginning of, 



17-18 

 cell-lethals in, 152, 159 

 chemical modifications of, 329- 



331 

 chromosome mosaics on, 138- 



139 

 of complement, 564 

 cytoplasmic factors of, 126-128 

 differentiation in, 521 

 of diploid hybrids, 141-143 

 Driesch, 19, 20, 21 

 energy release in, 522-523 

 energy requirements for, 520- 



522, 528-533 

 energy sources during, 533, 538 

 enzyme activation in, 87 

 enzyme activity in, 84 

 enzyme concentration, 84 

 of enzymes, 543-548 



functional differentiation 

 and, 545-548 

 of forelimb, 429-431, 437^38 

 genie material for, 151-152 

 of gu-dle, 434^35, 436, 437 

 growth in, 520-521 

 of haploid hybrids, 143-146 

 haploidy effects on, 130-134 

 Harrison, 21 

 His, 17, 18, 19 

 homeotic mutants in, 161 

 of immunological properties, 



556-573 

 maintenance and, 531-532, 533 

 maintenance energy vs. energy 



for, 528-533 

 maintenance metabolism dur- 

 ing, 520 

 mechanical explanations of, 17, 



18 

 metabolic rate in, 524-525 

 metabolic regulation in, 83-88 

 of natural antibodies, 564 

 nuclear differentiation in, 146 

 without nucleus, 129 

 nucleus and cytoplasm in, 126- 



150 

 oxygen consumption during, 



523-528 

 oxygen supply during, 522-523 

 of polyploid hybrids, 146 

 polyploidy effects on, 134-137 

 of red cell antigens, 563, 564 

 respiration during, 523-533 



Development, Roux, 18, 19, 20, 

 21 

 Spemann, 19, 21 

 yolk utilization in, 527 

 Developmental block in insects, 

 530, 531 

 metabolism during, 530-531 

 Developmental interactions in in- 

 sects, 341, 342 

 Developmental processes, depend- 

 ent and autonomous, 159-161 

 Diapause, 645 



hormonal breaking of, 639, 640 

 in insects, 530-531 

 Differential growth, 353, 360, 365, 



374 

 Differentiation of antigens, 165 

 autonomous and dependent con- 

 trol of, 159-161 

 of cells, 109, 117, 118, 220-221, 



528 

 without cleavage, 323-324 

 cytoplasmic particles in, 284- 



286 

 in development, 521 

 differential genie effects in, 



164-165 

 diffusible substances in, 160- 



161 

 of ear axes, 41 7-420 

 of ear ectoderm, 415, 417, 418, 



419, 420 

 energetics of, 521 

 energy requirements in, 521, 



522 

 enzymes and metabolism in, 



331 

 of gastrula areas, 238-241 

 genie endowment and, 163-166 

 histochemistry of, 376 

 hormones in, 342, 343 

 of medullary plate, 252-254 

 of neurula mesoderm, 247- 



249 

 non-autonomous, 160-161 

 of nucleus, 146 



potencies, in gastrula ectoderm, 

 238 

 in gastrula entoderm, 240 

 in marginal zone, 238-239 

 progressive. See Progressive dif- 

 ferentiation, 

 of secondary embryos, 243-245 

 of tail bud, 249-250 

 See also Self -organization. 

 Disaffinity in neuron develop- 

 ment, 371 

 Dissociation experiment in 



sponges, 668 

 Dorsal root, 356, 362, 381 



deflection of, 360 

 Dorsalization, 232, 233, 234, 271, 



283 

 Dorso-ventral inversion of limb 

 cord segments, 387 



