Javier A. RodrÃguez-Robles is an Assistant Professor in the Department of Biological Sciences, at the University of Nevada, Las Vegas. From 1999 to 2000 he was Acting Assistant Curator of Herpetology at the Museum of Vertebrate Zoology, at the University of California, Berkeley. David A. Good was a Curatorial Associate of Herpetology (1985-1989) and Research Associate (1989-1990) at the Museum of Vertebrate Zoology. David B. Wake has been curator of the herpetological collection at the Museum of Vertebrate Zoology since 1969, and directed the museum from
1971-1998. He is also a Professor in the Department of Integrative Biology at the University of California, Berkeley.