368 



Subject Index 



Estradiol, 208 

 Estrus, 239 



changes, 258 

 Evolution, 51 



cultural, 98, 122 



of a new species or genus, 87 



of compact colony, 88 



of a filtering device, 134 



probable cause, 74 



man's social, 184 



social, 3, 137 



P^acilitation, 151 

 Factor 



communication-inhibiting, 112, 139 



contact-Winding, 112, 139 

 Families 



human, 100 

 F:B ratio 



monkeys, 206 



mice, 206 



rabbits, 206 



rats, 206 

 Feedback mechanisms 



physiologic, 190 

 Female 



asexual, 88 



estrus, 89 

 Ferguson activity allc}', S, 18 

 Fertility 



density, 290 



female, 239 



male, 239 



mouse, male, 290 

 Fetus 



congenital defects, 210 



growth and development, 259 



prenatal mortality, 293 



resorption, 95 

 Fighting 



as a measure of social rank, 267 



as form of stress, 264 

 Filter 



Broadbent, 71 



neural, 71, 74 



system, 77 

 Food 



limiting population growth, 298 



Food 



scarcity, 98 

 Food supply 



effects on population growth, 296 

 Frequency 



of meeting of responsive individuals, 112 



of meeting of responsive-nonresponsive 

 individuals, 112 

 Frustrations 



optimum, 119 

 FSH, 259 

 Functions 



interaction, 113 



Gene 



d-, 128 



frequency, 125 



mutant, 125 

 Gene pool, 125 

 Gamma individuals, 59 

 Gastrointestinal tract 



effect of stimuli, 253 



integrative role, 242 

 Glomerular filtration rate, 201 

 Glomerulotropin, 203, 205 



depression, 204 



secretion, 204 

 Glucagon, 240 

 Glucocorticoids, 245 

 Glucose utilization 



inhibition, 209 

 Glj'cogen 



exhaustion, 253 



showshoe hares, 253 



voles, 253 



levels 



factors altering, 253 

 Glycosuria, 209 

 Gonadal endocrine cells 



steroids, 219 

 Gonadectomy, 219 

 Gonadotropin, 217, 219 



inhibition, 211, 220 



production, 211 



secretion 



suppression, 257, 309 

 Granulation 



effect of corticoidson, 254 



