350 
Index 
Reproduction 
behavioral factors of, 149, 150, 151, 153-160, 170 
endocrinological factors of, 149, 150, 161, 164-166, 
170 
environmental factors of, 149, 150, 152, 162-164, 170 
Reptiles 
DVR in, 65, 70, 71-76 
mammal-like. See Synapsida 
stem. See Cotylosaurus 
Respiration of Tupinambis nigropunctatus, 112, 117 
Reticular formation, 53, 54, 92 
Retinal fibers, 38, 45, 52 
Roots, spinal, 107, 117 
Sauromalus obesus 
display stereotypy of, 279 
head bobbing of, 279 
T-maze learning of, 175 
Savigny’s Agama. See Agama savignyi 
Sceloporus 
head bobbing of, 204, 219 
pushup behavior of, 261, 262 
Sceloporus cyanogenys 
basking and perching postures, 213, 214 
ethogram for, 205, 208 
feeding and foraging of, 214-215, 216 
predation of, 216 
tail-grip ritual of, 220 
thermoregulation of, 212 
Sceloporus graciosus, demography of, 228 
Sceloporus magister, thermoregulatory behavior of, 
177 
Sceloporus occidentalis 
demography of, 228 
parietal eye in, 187 
reinforced learning of, 175, 179 
unrewarded learning of, 179 
Sceloporus scalaris, copulation of, 263 
Sceloporus siniferus, aggressive behavior of, 261 
Sceloporus undulatus garmani 
crowding tolerance of, 232 
demography of, 227, 229 
Sceloporus virgatus, parietal eye in, 187 
Scincidae 
DVR in, 28 
family characteristics of, 338 
nucleus sphericus in, 21 
optic tectum in, 46 
social behavior of, 254 
Scinella, dorsal cortex in, 18 
SDH. See Succinate dehydrogenase 
Septum (see also Nuclei, septal) 
degeneration study on, 72, 75 
in Natrix sipedon, 122 
in Tupinambis, 14 
Serinus, neural projections in, 52 
Serotonin, 2, 9 
Sexual receptivity (see also Behavior, courtship and 
mating), 151, 162, 164-168 
Shelter utilization, 203, 210, 215-217 
Side-blotched lizard. See Uta stansburiana 
Smith, Elliott, 2-3, 67, 75 
Snake lizards. See Pygopodidae 
Snakes 
efferent projections in cortex of, 73 
retinal projections in, 80, 84, 87-88 
Social behavior. See Behavior 
Somesthetic system, 91-102 [see also Pathways 
(neural)] 
Sphaerodactylinae, vocalizations of, 289 
Sphaerodactylus, 18, 25 
Sphenodon 
diencephalon in, 27 
dorsal cortex in, 27 
lateral cortex in, 27 
medial cortex in, 27 
Sphenodon punctatum, 7 
DVR in, 4, 26-27, 51, 133 
forebrain section of, 4 
optic tectum in, 47 
pretectum in, 41 
retinal projections in, 36 
tectal pattern of, 44, 46 
thalamic pattern of, 40 
Spinal cord 
in birds, 115 
brachial enlargement, 108, 111 
in cats, 107, 115 
lumbar enlargement, 108, 111 
in mammals, 115 
in reptiles, 107, 115 
in Tupinambis nigropunctatus, 108 
Spinal hemisection 43, 105, 109-115, 116, 117, (see 
also Lesion studies) 
Spinal projections 
in Caiman, 40 
in Tupinambis, 40 
Spinal roots, 107, 117 
Squirrel monkey (Saimiri sciurcus) display, 8 
Stain (techniques) 
Bodian, 12, 42 
cresyl violet, 81 
Fink-Heimer, 71, 80, 92, 106, 113, 123, 126, 129, 
130 
Golgi, 45, 106, 107, 109, 123, 124, 125, 127, 128, 131 
Heidenhain, 106, 107 
Koelle method for AChE, 13 
Nauta, 65, 71, 80, 92, 106 
Nissl, 29, 66, 86, 92, 94, 95, 106, 107, 108, 109, 
112, 121, 131 
Pearse method for SDH, 13 
Stem reptiles. See Cotylosaurus 
Stria medullaris, projections in, 20, 31 
Striatal complex (mammalian), 1-4, 8, 9 
Striatum 
connections of, 30, 52, 54, 55 
efferents from, 30, 50 
projections from, 30 
in reptiles, 29-30, 50, 53, 54 
in snakes, 121, 122, 125 
in Sphenodon, 27 
