Subject Index 



379 



Testis 



interstitial cells, 194 

 Testosterone, 208 

 Thetas 



satisfaction and frustration, 131 

 Thiouracil, 237 



Thymicolymphatic system, 249 

 Thymus, 283 



cortex, 249 



involution, 208, 211, 249, 250 



medulla, 249 



weights, 249 

 Thja-ocarotid artery, 204 

 Thyroglobulin, 230 

 Thyroid 



activity 



factors regulating, 231 

 index, 231 

 mice, 235, 236 

 NaCl intake, 238 

 rabbit, 236 

 rat, 235, 236 



gland, 191, 228 



honnone 

 actions, 229 

 formation, 230 



inhibition, 236 



responses to external stimuli, 234 

 Thyroidal-gonadal interrelationships, 238 

 Thyroidectomy, 228, 234 

 Thyrotropin, 231 



inhibition, 236 

 Thyroxine, 228, 229, 231 



effects, 230 

 Tonus 



vascular, 224 

 Trap, 20, 37 



"Havahart," 184 



probability of encountering, 52 

 Trapline, 53, 82 



standard, 26 

 Trapped-out area 



invasion, 82 

 Trapping, 76 



comparison of results between short- 

 term and long-term removal, 28 



continuous removal, 26, 37 



removal, 76 



short-term removal, 26 



Tribe 



as a social entity, 98 

 Trichinella 



increased invasiveness, 278 

 Trichinella spiralis, 277, 278 

 Trichinosis 



effects of crowding, 278 

 Triiodothyronine, 228, 229, 231 

 TSH 



mice, 237 



rabbits, 237 



rats, 237 



rate of release, 231 



release, 232, 236 



secretion, 237, 258 

 Tuberculosis 



crowding, effect on, 279 



murine, 279 

 Two-dimensional field 



use, 19 

 Tyrosine, 230 



Ungulates 



captive, 198 



domesticated, 196 

 Urine 



metabolites, 207 



Vaginal orifice 



closure, 291 

 Vagus nerve, 204 

 Vasopressin, 214 

 Velocity, 164 



biological, 111 



effect of interval between ^'s on, LSI 



effect of tranquilizer on, 172 



effect on fat, 174 



effect on weights of adrenals, kidney; 

 and heart, 174 



formulae, 111, 112, 113 

 a, 112 

 aaa, 112 

 aap, 112 

 afaa, 112 

 af'ap, 112 



«mfaa^"\ 113 



d, no 



faa, 112 

 f'ap, 112 

 i, 112 



