Artist Christian Votteler (1840–1916)  
Title Taf. VIII.
Description
1. Aeskulap-Natter (Zamenis longissimus). 2. Glattnatter (Coronella austriaca).
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,_T08.JPG

The Aesculapian snake (now Zamenis longissimus, previously Elaphe longissima), is a species of nonvenomous snake native to Europe, a member of the Colubrinae subfamily of the family Colubridae.

The smooth snake (Coronella austriaca) is a non-venomous colubrid species found in northern and central Europe, but also as far east as northern Iran.