SUBJECT INDEX 



645 



Testis 



interstitial-cell tumors of, 250 



teratoma, 250 



tumors of, 260 

 Thalassemia, 304 . 

 Therapy, X-ray, 128 

 Thermal neutrons, 128 

 Threshold 



characters, 247, 248 



concept of, 285, 293 



developmental in behavioral genetics, 296 



genetic characters, 267 

 Timing of developmental stages in teratogenic 



studies, 236, 237 

 Tissue culture, 450, 492 



behavior of Chinese hamster cells in, 499 



cellular contamination of, 493 



Chinese hamster, 485 



methods of, 492 



synthetic media, 462 

 Tissue localization of action of W gene, 225 

 Tissue transplantation, methods for, 371 

 Titer, antibody, 193 

 To {tortoise), 140 

 Toe, small, factors controlling development of 



in guinea pig, 177 

 Tolerance 



immunologic, 327 



paralysis and enhancement, 373 

 Tortoise {To), 140 

 Total phenotypic, variance, 198 

 Tradescantia, 129 



Traffic, flow of, in animal rooms for mice, 545 

 Traits, continuously distributed, 296 

 Trajectories of gene-frequency systems, 186 

 Transduction, 408, 447, 458, 459, 465 



episomal, 459 



relationship to cancer, 268 

 Transfer 



genetic, between somatic cells, 456 



genetic, experiments, 468 



nuclear, 464 



of fertilized ova, 251, 563 

 Transformation, 408, 457, 459 

 Translocation, reciprocal in sterility, 134 

 Transmission of disease resistance, 386 

 Transmutation, 130 

 Transplantation 



adrenal, 373 



characteristics and isoantigens, 424 



hematopoietic tissues, 373 



nuclear, 409 



of bone marrow, 374 



ovarian, 373 

 Transplantation of tissues, 371 



for studying mammalian pigmentation, 327 



into mammary fat pads of mice, 565 



to mammalian eye, spleen, and celom of chick 

 embryo, 330 



Transplanted pulmonary tissue, 259 

 Transplanted tumors 



antigenetic simplification of, 425 



Barrett-Deringer change in, 426 



chromosomal changes in, 433 



crossing over in, 433 



genetic and epigenetic mechanisms of, 432 



point mutations in, 432 

 Trembler, 75 



Trypsin, use of tissues, 477 



Tubes, cultural for cytologic preparations, 504 

 Tumors 



adenoma of stomach, 250 



adrenal, 260 

 cortical, 250 



antibodies, 266 



ascites, 468 



autonomy of, 441 



cells, ascites, form of, 423 



chromosomal markers in, 446 



Fx 



behavior of, 427 



isoantigenic variants from, 434 



genetic, viral and environmental influences on 

 etiology, 264 



harderian gland, 250 



hemangioendothelioma, 250 



hepatomas, 265 



heterozygous, behavior of, 429 



homozygous, behavior of, 428 



hormonal dependence of, 441, 465 



host-parasite relationship in, 262 



induced, isoantigenicity of, 426 



interstitial cell of testis, 250 



leukemia, 254, 260, 268 



linkage between genie loci, 256 



localization of genie action in organs and 

 tissues, 258 



mammary gland, 249, 256, 260 



myoepithelioma, 250 



ovarian, 250, 261 



pancreatic in hamsters, 267 



paths of genie action in, 258 



pigmentation inherent in, 445 



pituitary adenoma, 250 



pituitary in Chinese hamster, 267 



pulmonary, 249, 254, 258, 259, 264, 266 

 estimating susceptibility genes for, 248 

 estimation of number of genes, 254 

 in mice, 251 

 method of induction with carcinogen, 



255 

 production of, 200, 255 



progression, 423, 434, 444 



relation of growth curve to incidence, 266 



relationship of stress to susceptibility, 266 



subcutaneous sarcoma, 250 



sublines, comparison of pairs, 449 



teratomas, testicular, 250 



testicular, 260 



