Furcifer bifidus from Dictionnaire Universel d’Histoire Naturelle by Charles d'Orbigny

The image you shared comes from "Dictionnaire Universel d'Histoire Naturelle" edited by Charles d'Orbigny, a monumental French natural history encyclopedia published between 1839 and 1849 in Paris.

Source Details:

• Title: Dictionnaire Universel d'Histoire Naturelle

• Editor: Charles d'Orbigny (1806–1876)

• Publisher: Renard, Martinet et Cie

• Publication Dates: 1839–1849

• Plate Reference: Reptiles Pl. 4, illustrated by Visto after Oudart

• Species Featured:

  • Furcifer bifidus – "Caméléon à nez fendu"

  • Varanus bivittatus – "Varan à deux bandes"

• Scale Notation: "3/4 de gr. n." means the illustration is at three-quarters of the natural size