dice snake (Natrix tessellata), grass snake (Natrix natrix) Artist Christian Votteler (1840–1916)  
Title Taf. VII.
Description
1. Würfelnatter (Tropidonotus tessellatus). 2. Ringelnatter (Trop. natrix).
Date by 1897
Medium reproduction: template:color print [[Category:Unsupported technique|template:color print]], original: watercolor
Source/Photographer Bruno Dürigen: Deutschlands Amphibien und Reptilien. Eine Beschreibung und Schilderung sämmtlicher in Deutschland und den angrenzenden Gebieten vorkommenden Lurche und Kriechthiere. Magdeburg, Creutz'sche Verlagsbuchhandlung 1897
Source: https://commons.wikimedia.org/wiki/File:D%C3%BCrigen,_1897,_T07.JPG
The dice snake (Natrix tessellata) is a European nonvenomous snake belonging to the family Colubridae, subfamily Natricinae.
The grass snake (Natrix natrix), sometimes called the ringed snake or water snake, is a Eurasian non-venomous snake. It is often found near water and feeds almost exclusively on amphibians.
