998 



SUBJECT INDEX 



hypotaurine, 63 



hypothalamus, role of — in controlling 



pituitary functions, 843 

 hypothyroidism, pituitary tumors 



following — , 824 



— preventing induction of hepatic 

 reticulosarcoma, 846 



hypotonic solutions, 559 

 hypoxanthine, 96 



— as opponent of azaguanine, 289 

 Hyracotherium, 240 



hystiocytes, tissue, 691 



lAA (indolacetic acid), 761, 803 



lAA-oxidase, 791 



I-cells, indifferentiated, 165, 234 



identical reproduction, growth as, 140 



iditol, 10 



Ilyanassa, 332 



imaginal discs, 320 



imidazole acetic acid, 12 



— nitrogen of histidine, 87 

 immigration, 342 



— process in gastrulation, 324 

 immune bodies against Rous sarcoma, 



858 

 immunological specificities, 563 

 immunoproteins, uptake of — in cells of 



neoplastic tissues, 497 

 IMP, 94, 908 



implant, activition by the, 403 

 — , method to insert — in the blastocoele, 



377 

 increasing feebleness in senescence, 957 

 incubation of inductors with ribonuclease, 



434 

 indeneacetic acid, 763 

 indeterminate growth, 956 

 individuation, 470 

 indolacetic acid, 758 



— formed from tryptophan in pollen, 760 



— as growth inhibitor, 932 

 indolacetic aldehyde, 761 

 indolacetonitrile, 761 

 indolacetyl-CoA, 797 



— phosphate, 797 

 indole-anthranilic pathway, 68 

 indolebutyric acid, 763 

 indole-3-glycerol phosphate, 36 

 indoleglycolic acid, 762 

 a-indoleisobutyric acid, 765 

 a-3-indoleisobutyric acid, 802 

 a-(3-indole)-propionic acid, 764 

 indolepyruvic acid, 762 

 €-P-indolylethylaminopurine preventing 



cell cleavage, 944 



6-^-indolylethylaminopurine inhibiting 



mitosis, 933 

 index of cicatrisation, 604 

 induced atrophy by starvation, tenotomy 



and denervation, 963 

 inducing agents, nature, 474 



— effect of the archenteric roof, 400 

 induction, 519 



— by archenteron roof, 443 



— of cartilages and somites, 461 

 — , complementary, 398 



— , conception of a general — field, 353 

 — , delayed, 454 



— of ectoblast in epiblast, 460 

 — , gonadic, 466 



— of granulocytic leukemia by X-rays, 837 

 — , intradermic, 351, 466 



— , minor, 448 



— , morphogenetic effects of — , 469 



— , neurogenic, 351 



— , notogenic, 442 



— with nucleoprotein and protein 

 extracts, 434 



— , primary, 357 

 — , reciprocal, 455 



— role of parachordal and prechordal 

 mesoblast on rhombencephalon, optic 

 vesicle and telencephalic lobes, 407 



— , secondary, 357, 448 



— , selective — of (chordo) mesoblast, 445 



— , tertiary, 357 



— , typical — of an acrencephalon by the 



PT inductor, 438 

 — , way back, 460 

 inductive ability of the prechordal plate, 



351 



— correlation between spinal cord and 

 vertebral column, 462 



— processes, evolution of, 468 

 inductors, abnormal, 291 



— , auto-, 448 



— , coordinated — systems, 378 



— , developmental, 445 



— , homoeogenetic, 477 



— , incubation of — with ribonuclease, 434 



— to proteolytic digestion, 291 



— and reactor, 357 



, adherence between, 376 



, biochemical modifications of, 419 



inert body mass, 208 

 inflexion, 175 

 — , point of, 204 



influence of pituitary gland on genesis, 

 growth and secretion of tumors, 844 



— of thyroid secretion on genesis and 

 growth of tumors, 846 



