CONTENTS 



INTRODUCTION, p. 1 

 BIBLIOGRAPHY, p. I 

 SUBJECT INDEX, p. 9 



PALEOECOLOGY, p. 9 



HABITAT, p. 9 



MORPHOLOGY: Hatchlings and juveniles, p. 10; Sexual dimorphism, p. 10; 

 Color of iris, p. 10; Anomalies of embryos and hatchlings, p. 10; 

 Anomalies of plastral bones, p. 10; Anomalies of scutellation, p. 

 10; Anomalies of coloration, p, 10, 



GENETICS: Karyology, p. 10; Hybrids, p. 10. 



BEHAVIOR: Locomotion, p. 10; Postures, p. 10; Sleeping postures, p. 

 10; Digging behavior, p. 11; Strength, p. 11; Righting response, 

 p. 11; Buoyancy and swimming ability, p. 11; Vision, p. 11; Ol- 

 faction, p. 11; Audition, p. 11; Tactility, p. 11; Intelligence, 

 p. 11; Temperament and defense reactions, p. 11; Vocalization, 

 p. 11; Agonistic behavior, p. 11; Interactions with other species 

 in captivity, p. 11. 



REPRODUCTION: Age at appearance of secondary sex characters, p. 12; 



Age at sexual maturity, p. 12; Sex ratios, p. 12; Breeding season, 

 p. 12; Courtship and copulation, p. 12; Nesting season, p. 12; 

 Nesting behavior, p. 12; Descriptions of eggs, p. 12; Clutch size, 

 p. 12; Incubation, p. 12; Hatching, p. 12, 



GROWTH: Growth rates, size and age data, growth rings, longevity, p. 

 13; Age composition of populations, p. 13. 



FOODS: Foods and feeding, p. 13; Scatology, p. 13, 



PHYSIOLOGY: Body composition, p, 13; Hematology, p, 13; Serology, p, 



13; Cardiology, p, 13; Respiration, p, 13; Diel activity patterns, 

 p, 13; Seasonal activity patterns, p, 14; Burrows as refuges from 

 temperature extremes, p. 14; Shade-seeking behavior, p. 14; 

 Basking, p. 15; Basking postures, p. 15; Effects of rain on ac- 

 tivity, p. 15; Body temperatures, p. 15; Heating and cooling 

 rates, p, 15; Shell as an insulating shield, p, 15; Evaporative 

 heat loss, p. 15; Death from direct insolation, p. 15; Death from 

 cold, p, 15; Temperature as a limiting factor, p. 16; Light as a 

 limiting factor, p. 16; Water balance, p. 16; Bone regeneration, 

 p. 16. 



BURROWS: Burrow characteristics, p. 16; Burrow temperature, p. 16; 

 Burrow moisture and humidity, p. 16; Burrow occupancy and con- 

 stancy, p. 16; Burrow associates, p. 16. 



SPATIAL RELATIONS: Home range, p, 16; Population density, p. 17; 

 Social attraction, p. 17; Migrations, p. 17; Possible terri- 

 toriality, p. 17; Orientation and homing, p. 17. 



MORTALITY FACTORS: Diseases, dietary deficiencies, p, 17; Injuries, p, 

 17; Parasites, p. 17; Predators, p. 17; Egg predators, p. 17; 

 Habitat destruction, urbanization, p. 17; Highway mortality, p. 

 17; Wanton killing, p. 17; Gassing of burrows, p. 18, 



ECONOMIC VALUES: Use as food by humans, p. 18; Use as pets, care in 

 captivity, p. 18; Other economic impacts and uses, p. 18. 



CONSERVATION, p. 18 



TECHNIQUES: Methods of capture, p. 18; Marking systems, p. 18. 



