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

Uromacer catesbyi (from Dumeril, Bibron & Dumeril 1854)
Uromacer catesbyi (from Cochran 1941)
Uromacer catesbyi (from Cochran 1941)
Uromacer frenatus (from Cochran 1941)
Uromacer frenatus (from Cochran 1941)
Uromacer frenatus (from Cochran 1941)
Uromacer oxyrhynchus (from Cochran 1941)
Uromacer oxyrhynchus (from Dumeril, Bibron & Dumeril 1854)
Uromacer oxyrhynchus (from Dumeril, Bibron & Dumeril 1854)
Uromacer oxyrhynchus (from Fischer 1888)
Uromacer oxyrhynchus (from Fischer 1888)
Uromacer oxyrhynchus (from Dumeril, Bibron & Dumeril 1854)