INDEX 



495 



Spermatogenic cells, 133 

 Spermatozoa, Golgi material in, 3 



mitochondria in, 2 



size of, 135 



survival in oviduct, 78 



transport of, 78 

 Spirillinm minus, 431 

 Spirochetosis, 431 

 Spiroptcra neoplastica, 368 

 Splanchnic mesoderm, 32 

 Splanchnopleure, 32 



relation to yolk-sac, 36 

 Spleen, 96 



enlarged due to streptococcus, 416 

 in bartonellosis, 421 

 in mouse septicemia, 398 



protozoan infection in, 356 



transplantation of, 286 

 Splenectomy, efifect on latent infections, 419, 



425 

 Splenic cords, 98 

 Splenic lesions, due to Trypanosoma lewisi, 



353 

 in ectromelia, 435 

 in mouse arthritis, 401 



typhoid, 385 

 in pseudotuberculosis, 394, 395 

 Squamous entoderm, 21 

 Squirrel, thirteen-striped ground, 13 

 Staphylococci, 415 

 Stocks (see strains) 

 Stomach, 117 



carcinoma of, 219 

 glands of, 118 

 nematodes in, 368 

 Stomodaeum, 28 



Strains (see under the following: A, C3H, 

 C57 black, C57 brown, C57 leaden, 

 C58, CBA, ce, dba, Japanese 

 waltzing, MacDowell-Bagg albino, 

 Marsh, Mits bactrianus, Rockefeller, 

 Swiss, W, X, Y) 

 Strcplobacillus monilijormis, 400, 403, 407, 



418 

 Streptococci, 416 

 Streptothrix, 396 

 Striated muscle, tumor of, 205 

 Subcutaneous tissues, tumors of, 195, 199 

 Sublingual glands, 115 

 Submaxillary glands, 112 

 female, 114 



Submaxillary glands, male, 1 14 



tumors of, 219 

 Sulfonamide drugs, 412 

 Susceptibility, number of genes involved, 283 



to tumor transplants, 281 

 Swiss mice, diarrhea in, 389 



encephalomyelitis in, 443 



infectious catarrh in, 413 



virus pneumonia in, 449 

 Symplasia, 41 

 Syphacia obvclata, 365, 366 



Tarnia crassicollis, 360 



pisiformis, 360 



taeniaeformis, 360 

 Tail, lesions in mouse arthritis, 402 



melanoma of, 204 

 Tail fold, 42 

 Tapeworms, 359 



control measures, 360, 362, 364 



dwarf, 360 

 Taste buds, 112 

 Technique, embryological, i 



histological, 89 



of tumor transplantation, 292 

 Teeth, no 



Temperature, in mouse typhoid, 382 

 Tenebrio, as intermediate host, 362, 363, 364 

 Teratoma, of ovary, 225 

 Testis, 133 



excretory ducts of, 135 



tumors of, 227 

 Testosterone, tumor rate affected by, 313 

 Theca externa, 149 



interna, 149 



lutein cells, 154 

 Thirteen-striped gound squirrel, 13 

 Thymus, 103 

 Thyroid gland, 100 



protozoan infection in, 356 

 Tissues, transplantation of, 304 

 Tongue, 1 10 



Torsion (see turning of embryo) 

 Toxin, produced by C. kutschcri, 396 

 Trachea, 128 

 Transition line, 21 

 Transplantation of tissues, 304 



of tumors, 279 



age, role in, 299 



