INDEX 



487 



Glands, of the larynx, 128 



palatine, no 



pancreas, 1 26 



parathyroid, 100 



parotid, 115 



pineal, 104 



pituitary, 98 



preputial, 146 



pyloric, 120 



sublingual, 115 



submaxillary, 112 



thymus, 103 



thyroid, 100 



urethral (Littre), 143 



uterine, 6, 155 



ventral prostates, 143 



vesicular, 55, 140 

 Glans penis, 146 

 Glioma, of brain, 228 

 Goblet cells, of intestine, 1 20 

 Golgi material in sperm, 3 

 Gongylonema muscitli, 369 



neoplasticum, 368 

 Graafian follicles (see ovarian follicles) 

 Grahamella musculi, 420, 428 

 Granulosa cells, 149 

 Granulosa-cell tumors, 224 

 Growth, head fold as center of, 28 



primitive streak as center of, 31 

 Gut (see fore-gut, hind-gut and mid-gut) 



entoderm, 24 



H 



IlacmobartoneUa maris, 424 



Haemoflagellates, 353 



Hair, 106 



Harderian glands, 109 



Head fold, 28 



Head process, 20 



gut entoderm derived from, 24 

 notochord derived from, 24 

 Heart, 90 



development of, 45 



lesions in mouse arthritis, 401 

 Heat (see estrus) 

 Helminths, 359 

 Hemangio-endothelioma, 208 



of liver, 220 

 Hemangioma, 194, 200 



of liver, 220 



Hemangioma, of urinary bladder, 222 

 Hemoglobin, 92 

 Hemorrhagic septicemia, 391 

 mortality in, 392 



similar to Bacterium influenzae infec- 

 tion, 412 

 Hepatic lesions, due to Bacillus piliformis, 

 417 

 to Trypanosoma lewisi, 353 

 in ectromelia, 435 

 in mouse septicemia, 398 



typhoid, 385 

 in Pasteurella infection, 392 

 in pseudotuberculosis, 394, 395 

 Hepatoma, 219 



Heredity, relative importance of environment 

 and, 337 

 role in infectious diseases, 400, 403, 418, 

 454 

 Hcterakis-spumosa, 369 

 Heterosis (see hybrid vigor) 

 Heterozygosis (see also homozygosis) 



due to mutation in inbred strains, 330 

 effect of inbreeding on, 328, 329 

 forced, 330 

 Hexamita muris, 351 

 Hibernating glands, 108 

 Hind-gut, 26, 42 

 Histiocytoma, 214, 217 

 Hodgkin's disease, 218 

 Homozygosis (see also heterozygosis) 

 effect of inbreeding on, 328, 329 

 of relaxing inbreeding, 345 

 of selection on, 330 

 Hoplo pleura acanthropus, 370 



hesperomydis, 370 

 Hormones (see endocrine secretions) 

 Hybrid vigor, 341, 342 



in embryos, i 

 Hybrids, 340 



compared with inbred lines, 341 



genetic characteristics of, 340 



great variety available, 342 



litter size in, 57 



lung tumor incidence in, 264 



non-epithelial tumors in, 269 



phenotypic characteristics of, 340 



Polydactyly in, 340 



reciprocal differences between, 341 



special uses, 342 



transplantation of tumors from, 286 



