CONSIDERATIONS CONCERNING THE VARIABILITY OF AMPHIBIANS 

 AND REPTILES 



by Bogdan Stugren 



Stuii si Cercetari de Biologie (Cluj) 



volume 13, number 1 

 pp. 167-173 



1962 



Translated from Rumanian by Bogdan Stugren 

 Edited by James A. Peters 



SMITHSONIAN HERPETOLOGICAL INFORMATION SERVICES 

 1966 



Additional copies available from: 



Division of Reptiles and Amphibians 

 United States National Museum 

 Washington, D.C. 20560 



