Learning Studies in Lizards 
Bayard H. Brattstrom 173 
Behavioral Differences Betvi^een Reptiles and Mammals: An 
Analysis of Activity and Mental Capabilities 
Philip J. Regal 183 
Ethological Considerations in the Experimental Study of Lizard 
Behavior 
Neil Greenberg 203 
Discussion 225 
Field Studies of Behavior 
Demographic Analysis: A Tool for the Study of Natural Selec- 
tion of Behavioral Traits 
Gary W. Ferguson and Charles H. Bohlen 227 
Display and Dispute Settlement in Nesting Iguanas 
A. Stanley Rand and William M. Rand 245 
Ritualistic Social Behaviors in Lizards 
Charles C. Carpenter 253 
Display Diversity in Anoline Lizards and Problems of Inter- 
pretation 
Thomas A. Jenssen 269 
The Acoustic Behavior of Lizards 
Dale L. Marcellini 287 
Social and Feeding Behavior in Varanus komodoensis 
Walter Auffenberg 301 
Discussion 332 
Appendix : Taxonomy of Lizards 337 
Index 341 
