2 Pages in Charles Darwin's Library associated with "fauna - monkey, howler"

  1. Essais de zoologie générale.
    By: Geoffroy Saint Hilaire, Isidore.
    Publication info: Paris :Roret,1841.
    Volume: v.1
    Pages: Page 441  
  2. Histoire naturelle générale des règnes organiques.
    By: Geoffroy Saint Hilaire, Isidore.
    Publication info: Paris :Victor Masson,1854-1862.
    Volume: v.2
    Pages: Page 217