346 
Index 
Globus pallidus, 1, 8 (see also Striatal complex) 
GLV. See Nucleus, ventral lateral geniculate 
Gonadotropin secretion, courtship behavior and, 
149, 152, 160 
Gray matter, spinal 
axon degeneration study on, 109-118 
laminae descriptions, 107 
pathway terminals in, 105-106 
Green iguana. See Iguana iguana 
Habenular system, functions of, 9 
Habitats (see also Niches) 
canyon rocks, 230 
crevices, 208 
in demographic studies, 230, 231 
desert, 239-241 
in display variation studies, 239, 241 
effects on displays, 283 
feeding sites, 208 
of Gekko gecko, 332 
microclimate, 209-211 
perches, 208, 211 
river bottoms, 230 
savanna-type, 301 
shelters. See Shelter utilization 
size effects of, 210, 217 
substrates, 208 
of Uta, 331-333 
of Varanus komodoensis, 301 
vegetated, 239-241 
Hatchlings 
crowding tolerance of, 233-236, 239 
fitness of, 229, 237 
food supply for, 227, 229 
growth of, 332 
Hearing 
of Coleonyx, 289 
of mammal-like reptiles, 6 
Heart 
efficiency, 226 
function, 189-191 
rates, 186, 266 
Helmeted lizard. See Corythophanes hemandezii 
Heloderma 
diencephalon in, 21 
dorsal cortex in, 21 
medial cortex in, 21 
striatum in, 21 
Heloderma suspectum, threat display of, 257 
Helodermatidae, family characteristics of, 339 
Hemodactylus frenatus 
acoustic behavior of, 287-298 
social contexts of calling, 290-293, 294 
Hemidactylus turcictes 
call rates of, 294-295 
sonogram of, 295 
Hemisection. See Spinal hemisection 
Herrick, C. J., 31 
Hinde, Robert A., 149 
Hippocampal complex, homologs of, 16, 65, 69 
Hormones. See specific taxa; specific hormones 
Horned lizard. See Phrynosoma 
Hypopallium. See Dorsal ventricular ridge 
Hypothalamus 
afferents to, 73, 75 
efferents from, 54 
in Iguana, 37 
in Lacerta, 37 
preoptic area in, 18, 50 
in reptiles, 9, 31, 39, 50, 53 
retinal fiber terminals in, 79, 84, 88 
Iguana iguana 
diencephalon in 34, 35 
dorsal cortex in, 17, 19, 20, 65, 66 
head-nodding displays of, 135 
heart rates of, 186 
lateral cortex in, 17, 19, 20, 65, 66 
lateral forebrain bundle in, 19, 35 
learning reinforcers for, 174 
medial cortex in, 17, 19, 20, 65, 66 
nesting behavior of, 245-250 
optic tectum in, 42 
responses to electrical stimulation of brain by, 
135-147 
striatum in, 17, 19, 20 
telencephalon in, 17, 19, 20 
visual system of, 79, 80 
Iguanidae 
bobbing display of, 204 
dorsal cortex in, 18 
DVR in, 23, 29 
family characteristics of, 337-338 
head nodding of, 219 
intertectal projections in, 43 
medial cortex in, 15 
nucleus reuniens in, 24 
nucleus sphericus in, 21 
pretectal nuclei in, 41 
pretectum in, 37 
reproductive cycle of, 151 
retinal targets in, 38 
septal complex in, 31 
signature displays of, 238 
sit-and-wait predation of, 183 
social behavior of, 254 
striatum in, 30 
tectal laminae in, 45, 46 
tectal projections in, 36 
thalamic pattern in, 40 
Iguana pattern of brain characters, 45, 46, 51, 52, 56 
Indian monitor. See Varanus bengalensis 
Interneurons, spinal, 105, 106, 107 
Isocortex. See Neocortex 
Johnston, J. B., 3, 4, 15 67 
Juveniles 
social behavior of, 232, 234, 241 
survival of, 229, 231, 235, 236, 241 
Kinostemon (see also Turtles), optic tectum in, 46 
Klauberina riversiana, foraging of, 184 
Komodo monitor. See Varanus komodoensis 
