Head drawings: genus Contia(Serpentes: Colubridae) - compiled by Van Wallach Home

Contia tenuis (from Schmidt & Davis 1941)
Contia tenuis (from Stebbins 1954)
Contia tenuis (from Zeiner & al. 1988)
Contia tenuis (from Cope 1900)
Contia tenuis (from Cope 1900)