Left, poisonous fang of an asp viper; right, head of an adder, with mouth wide open and tongue protruding. Chromolithograph by H.J. Ruprecht, 1877.

  • Ruprecht, H.J.
Date:
[1877]
Reference:
578956i

Licence: Public Domain Mark

Credit: Left, poisonous fang of an asp viper; right, head of an adder, with mouth wide open and tongue protruding. Chromolithograph by H.J. Ruprecht, 1877. Wellcome Collection. Source: Wellcome Collection.

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