488 



INDEX 



Hybrids, tumor transplants in, 285 



tumors in reciprocal, 322 



use in tumor transplantation, 297 



useful breeding period of, 59 



value in research, 341 



variation in, 341 

 Hydrothorax, in infectious ectromelia, 436 

 Hymcnolepis dim'uutta, 363 



fraterna, 360 



transferred from mouse to man, 362 



microstoma, 364 



liana, 361 

 Hypophysis, 98 (see also pituitary gland) 



adenocarcinoma of, 229 



tumor rate af^ectedby, 313 



Ileum, 121 



Immunization, to transplanted leukemia, 291 



Implantation, changes in uterus, 37 



delayed in nursing females, 56 



of embryo, 5 



pseudopregnancy and, 79 

 Inbred mice, useful breeding period of, 59 

 Inbred strains, building and maintenance of, 



343 



change of "average" in, 333, 338 



decreased variation in, 335, 338 



differences between, 339 



fallacies, 345 



heterozygosis due to mutation, 330 



increased variation in, 336, 338 



leukemia transplantation in, 290 



parasites in, 347 



risk of contamination in, 344 



selection in, 330, 343 



sublines, 344 



tests of genetic uniformity, 343 



uniformity in, 339 



value in research, 337 



vigor and fertility in, 343 

 Inbreeding, 325 



coefficients of, 329 



different effects in two sexes, 336 



effect of linkage in, 329 



of relaxing, 345 



on the "average," 333 



on tissue specificity, 335 



on variation, 334 



on vigor and fertility, 334 



Inbreeding, effect on white spotting, 333, 335 

 genetic effects of, 327 

 need for in tumor studies, 249 

 phenotypic effects of, 326, 330 

 value of genetic effects of, 337 



of phenotypic effects of, 338 

 Inclusion bodies, 451 



in infectious ectromelia, 436 

 Infectious catarrh, 413 



similar to Bacterium influenzae infec- 

 tion, 412 

 Infectious diseases, 349, 380 (see also bac- 

 teria, fungus diseases, protozoa) 



arthritis of mice, 399 



bartonellosis, 419 



botriomycosis, 415 



due to Baccillus pilifonnis, 416 



to Bacterium influenzae murium, 41 1 

 to Epcrythrozoon coccoides, 424 

 to Grahamella musculi, 428 

 to pleuropneumonia-like organisms, 



404 

 to Streptohacillus moniliformis, 400 



ectomelia, 404, 434 



encephalomyelitis of mice, 443 



environmental factors in, 453 



factors influencing, 452 



favus, 429 



hemorrhagic septicemia, 391 



host factors in, 453 



inclusion bodies in livej, 452 



infectious catarrh, 413 



leptospirosis, 433 



lymphocytic choriomeningitis, 438 



microbic factors in, 453 



miscellaneous, 429 



mouse septicemia, 398 

 typhoid, 381 



pasteurellosis, 391, 404 



plague, 394 



pneumonia (three t)T)es), 409 



prevention of, 358, 390, 455, 479 



pseudotuberculosis of mice, 394, 404 

 of rodents, 393 



pyogenic infections, 415 



ringworm, 429 



salivary gland inclusion bodies, 451 



spirochetosis 431 



transmission by bedbugs, 373 

 by fleas, 372 

 by lice, 371 



