H. B. Lillywhite for his insightful comments and criticism of the 
manuscript. Special thanks are extended to R. Shine for his helpful comments 
and opinions. I owe my sincerest gratitude to J. D. Fawcett for his 
assistance, use of his extensive herpetological library, comments and 
proofreading of the manuscript, his boundless encouragement and enthusiasm for 
this project. Lastly, I thank J. Matter for allowing me to use his word 
processor and G. Kiltie for her skillful preparation of this manuscript. 
The cover illustration depicts a female Eumeces s. septentrionalis from 
Nebraska brooding eggs. I thank John F. Lokke for creating the original 
artwork from which the illustration was copied. 
TABLE I 
Distribution of parental behavior in lizards, amphisbaenians 
and a rhynchocephalian 
Oviparous Maternal, 
Type of or paternal or 
Taxa parental behavior viviparous biparental 
Agamidae 
Leiolepis belliana RU, CN O B? 
Phrynocephalus sp. RU, CN (@) B 
Uromastix aegyptius D (@) M 
U. ornatus D, CN 0) M 
Anguidae 
Barisia imbricata AN V M 
Diploglossus bilobatus C 0 M 
D. delasagra C O P 
Elgaria coerulea AN V M 
E. multicarinata GLENG DAHeC 0) M 
Gerrhonotus liocephalus C5; 2007, SRE? (0) M 
Mesaspis moreleti AN V M 
Ophisaurus apodus Card 6) M 
O. attenuatus C, 00 0) M 
O. compressus ei(C 0 M 
O. gracilis C 0 M 
QO. harti C ) M 
QO. ventralis C, ME, 0O O M 
Cordylidae 
Cordylus cataphractus CN V B 
C. giganteus CN V M 
Gekkonidae 
Ailuronyx seychellensis CDE LOO; JAN? 0 M 
Chondrodactylus angulifer RU, D? 0 M 
Eublepharis macularis RU, D, NPB (0) M 
Gekko gecko CD) -NPB?, 0 M, @B 
G. petricolus Gi, D200 (0) MireP 
G. smithii RU, DU 0 M 
