Subject Index 



371 



Isolation 



spatial, 69 

 Isolation cage, 17 



Jarmo site, 99 



Kendall's compound A, 205 

 B, 205 



E, 205 



F, 205 



Lactation 

 failure, 260 

 inhibition, 294 

 Lemming (see also Dicroslonyx and 

 Lemmus), 320 

 populations 



cj'clic decline, 319 

 mortality, 322 

 population cycles, 318 

 Lemmus, 305, 323 

 Lemmus trimucronalus 



population cycles, 318 

 Lepus (see also hare), 323 

 Lepus americanus 



relationships between population den- 

 sity and reproduction, 310 

 Life-space quadrants 



shifts into the second and fourth by 

 rats, 159 

 Lipid mobilizing factor, 241 

 Lipogenesis, 209 

 Litter mortality 

 factors causing, 295 

 mice, 294 

 size, 239 

 survival 



effect of increasing density on, 295 

 effect of nests on, 295 

 factors, 294 

 mice, 293, 294 

 voles, 293, 296 

 Liver, 260 



glycogen, 252 

 LMF, 241 

 Loris, 196 

 Lymph nodes 



weights, 249, 250 

 Lymphocytes 



as indices of adrenocortical activity, 21 1 



criteria of stress, 251 



counts, 251 

 Lymphocytolysis, 211 

 Lymphocytopoiesis 



depression, 211 

 Lymphocytopoiesis 



depression, 211 

 Lymphoid organs 



nucleic acid content of, 255 

 Lymphoid tissue 



growth, 250 



involution, 250 



Macaca mulatia, 195 

 Macaque, 196 

 Maine, 32, 54 

 Male 



dominant, 89 



rats, pansexual, 162 



reduction of, 90 



territorial, 161 

 Mammals {see also specific names) 



adrenalectomized, 208 



European, 196 

 Man {see also human) 121, 173, 194 



anestrus, 220 



basic numbers for, 97 



corticosteroid production, 268 



ovarian atrophy, 220 

 ^Marking 



with red dye, 76 

 Marmoset, 196 

 Marmota, 193 



relationships between population den- 

 sity and reproduction, 310 

 Marmota monax, 122 

 Maryland, 32 



Montgomery County, 69 

 Meadow mouse (see Microtus) 

 Medulla {see also adrenal) 



adrenal, 198 



basophilic granules, 198 



chromaffin cells, 198 

 Medullary hyperplasia 



mice, 198 



ungulates, 198 

 Mesocriceius auratus {see also hamster), 



194, 196 

 Metestrus, 239 



