A banded rattlesnake (Crotalus horridus) and boa constrictor (Boa constrictor) with diagrams of their open mouths. Engraving, ca. 1823.

    Date:
    1823
    Reference:
    42044i
    Catalogue details

    Licence: Public Domain Mark

    Credit: A banded rattlesnake (Crotalus horridus) and boa constrictor (Boa constrictor) with diagrams of their open mouths. Engraving, ca. 1823. Wellcome Collection. Source: Wellcome Collection.

    no text alternative