EditorialSpecies of American flying squirrel, Glaucomys volans or Glaucomys sabrinus. Handcolored engraving by Annedouche after an illustration by Edouard Travies from Charles d'Orbigny's Dictionnaire Universel d'Histoire Naturelle (Dictionary of Natural Histor...
EditorialEastern gray squirrel, Sciurus carolinensis, and southern flying squirrel, Glaucomys volans. Handcoloured copperplate stipple engraving from Frederic Cuvier's "Dictionary of Natural Science: Mammals," Paris, France, 1816. Illustration by J. G. Pretre, ...