SUBJECT INDEX 



635 



High-energy protons, 129 

 Hiroshima, 144 



Histocompatibility, 32, 229, 231, 457 

 antigens, 465 

 in chickens, 342 

 loci, sequence of, 466 

 of genes, 375 

 system, 460, 468 



in the mouse, isoantigens of, 423 

 History of genie interaction, 159 

 Holders, tag, 553 

 Homallelic populations, 183 



with six modifiers, 184 

 Homeostatic control, 176 

 Homology, 178 



Homotransplantability, increase of, 427 

 Homozygous tumors, behavior of, 428 

 Hormonal 



content of adenohypophysis in different strains 



of swine, 274 

 dependence, 468 

 of tumors, 441 

 independence, 468 



and drug resistance, 437 

 secretion 



and body weight, 273 

 and length of gestation, 273 

 and litter size, 273 

 and rate of ovulation, 273 

 correlated changes in rates of, 273 

 indirect estimate of, 271 

 rate of and genes, 279 

 rates of, 271 

 Hormone 



dependent tumors, 465 

 exogenous sensitivity of chickens to, 277 

 genie control of differences in sensitivity to, 272 

 gonadotrophic, 270 



amount secreted in swine, 281 

 target-specific, 280 

 Host-parasite relationship, 381 

 in cancer, 262, 264 



symbiotic relationship of parasite to, 403 

 vector, 403 

 Humidity of animal rooms for mice, 543 

 Husbandry, equipment, and procurement of 



mice, 538-557 

 Husbandry of mice, 539 



Hyaluronidase, use of in preparing chromo- 

 somes, 479 

 Hybrid 



extrachromosomal factors, 253 

 recipient, preimmunization of, 425 

 substances, 160 



use of, in revealing extrachromosomal factors, 

 253 

 Hybrids 

 F ls 253 



change in histocompatibility requirements 



after passage through, 426 

 use of in localizing genie action, 258 



Hydrocephalus, 178 



Hypotonicity and mitotic arrest, 473 



Hypoxia, effect of, on radiation, 148 



Identification of chromosomes, 494 

 Idiogram of Chinese hamster, 483 

 Immigration, 187 



pressure, 185 

 Immune electrophoresis, 307 

 Immunization, 353 



Immunochemical analysis, agar-gel, 376 

 Immunoelectrophoresis, 370 

 Immunogenetic(s), 345 

 mammalian, 347 

 tests, using mixtures of cells, 363 

 Immunologic 



aspects of development, 240 

 enhancement, 431 

 tolerance, 327 

 Inbred color stocks, development of, 324 

 Inbred strains 



differences between physiologic characteristics 



in, 294 

 for cancer research, 248 

 for use in studies in neoplasms, 249 

 of mice, resistance to murine typhoid, 384 

 Inbreeding, 54, 194 

 and crossing, 214 

 brother-sister, 5 



generation matrix for, 13 



probability of incrosses for, 15 



with heterozygosis forced by backcrossing, 



32, 35 

 with heterozygosis forced by intercrossing, 36 

 coefficients, 44, 55, 194 

 depression, 214 

 parent-offspring, 4 

 Increase of homotransplantability, 427 

 Incrosses, 4 



probabilities of, for six mating systems, 39 

 probability of, with heterozygosis forced by 



backcrossing, 33, 35 

 probability of, with heterozygosis forced by 

 intercrossing, 37 

 Incubators, 505 

 Index 



mean intensity, 166 

 mean quality, 166 

 Indices, panmictic, 45 



Indirect estimate of hormonal secretion, 271 

 Induced sterility, 133 

 Induced tumors, isoantigenicity of, 426 

 Inductive failure, 222 

 Infant-mortality data in mice, 146 

 Infection, resistance to and selection, 401 

 Infectious diseases, genetics of, 383 

 Infective heredity, 422, 461 



and viral tumors, 446 

 Inheritance 



quantitative, 193 

 polygenic, 193 



