Index 
349 
Ovarian follicular development 
courtship effects on, 157, 164 
receptivity during, 165-166, 168 
Ovarian recrudescence, 149, 151, 152-164, 170 
Oxygen debt, 247, 248, 249 (see also Metabolism) 
Pallial membrane in Anolis, 20 
Pallial wall, embryological development of, 48 
Pallium 
description of, 14, 15-29 
evolution of, 48, 49 
in Gekko gecko, 49, 65-67 
in Iguana iguana, 65-67 
in Rana catesbeiana, 49 
Parallelism, phylogenetic, 58 
Parietal eye, 9, 187-188 
Pathways (neural) (see also Projections; 
Connections) 
bulbospinal, 105, 106, 118 
cortico-bulbospinal, 105, 118 
corticospinal, 105, 118 
dorsal column, 91, 92, 93, 94 
phylogenetic age of, 118 
propriospinal, 107 
reticulospinal, 118 
rubrospinal, 118 
spinal, 91-94, 96, 97 
vestibulospinal, 118 
Periectostriatal belt, projections to, 73 
Perifascicular complex, terminal degeneration in, 123 
Phenacosaurus heterodermus 
display stereotypy of, 273 
signature display of, 273 
Photic cycle, diurnal, 152 (see also Light) 
Photic stimulation 
of dorsal cortex, 18 
of habenular system, 9 
Photographic monitoring, 227, 270, 271 
Phrynocephaltis mystaceus, aggressive display of, 256 
Phrynosoma 
cortical projections in, 15 
thermoregulatory behavior of, 176 
Phyllodactylus tuberculostis, sonogram of, 295 
Phylogeny of lizards, 12, 55-60 
Pigeons, sensory pathways in, 24 
Pineal body, 9 (see also Parietal eye) 
Podocnemis (see also Turtles) 
retinal targets in, 36, 38 
tectal ablation effects on pattern discrimination of, 
53 
Poikilothermic vertebrates 
brain organization of, 91 
intercollicular nucleus in, 97 
Polarized light discrimination, 188 
Posterior DVR 
auditory ridge target in, 24 
cytological characteristics of, 25 
in Gekko gecko, 16 
in Heloderma, 21 
in Iguana iguana, 17, 19, 20 
in Lanthanotus, 21 
Posterior DVR (cont.) 
in reptiles, 14 
in Sphenodon, 27 
in Varanus bengalensis, 22 
Prairie swift. See Sceloporus undulatus garmani 
Pretectal nuclei, retinal fiber terminals in, 80, 84, 87 
Pretectum 
description of, 40-41 
efferents from, 41 
hypertrophy of, 52 
in Iguana, 37 
in Lacerta, 37 
projections of, 52 
retinal fiber terminals in, 79, 80, 84, 87 
in Tupinambis nigropunctatus, 82, 84 
Projections, ascending 
with DVR as target, 24, 48 
in Gekko, 43 
in Iguana, 23 
in lizards, 16-17 
in mammals, 51 
reptiles and amphibians compared, 50 
reptiles, birds, and mammals compared, 23 
in Tupinambis, 24, 40 
Projections, descending 
in lizards, 25 
in mammals, 49 
to reticular formation, 54 
in Tupinambis, 25 
Projections, retinal 
bilateral, 79, 80, 81, 84, 87 
contralateral, 79, 81, 84, 89 
crossed, 84 
ipsilateral, 79, 81, 85-86, 88, 89 
in Tupinambis nigropunctatus, 80-89 
uncrossed, 84 
Projections, somesthetic, 68, 70 
Projections, spinocerebellar, 92, 93, 94 
Projections, spinoreticular, 92 
Projections, spinovestibular, 92 
Projections, visual, 68, 69, 71 (see also Projections, 
retinal) 
Proline, tritiated, 81, 82, 83, 86 
Pseudemys (see also Turtles) 
dorsal cortex in, 18 
DVR in, 23 
Pygopodidae 
ambush predation of, 184 
family characteristics of, 338 
medial cortex in, 18 
tectal laminae in, 46 
Rainbow lizard. See Agama agama 
Ramon, P., 41 
Rana catesbeiana 
dorsal cortex in, 49 
DVR in, 49 
lateral cortex in, 49 
striatum in, 49 
R-complex. See Striatal complex 
