The horse's mouth, showing the age by the teeth. Containing a full description of the periods when the teeth are cut; the appearances they present, the tricks to which they are exposed, the eccentricities to which they are liable, and the diseases to which they are subject / By Edward Mayhew.

Licence: Public Domain Mark

Credit: The horse's mouth, showing the age by the teeth. Containing a full description of the periods when the teeth are cut; the appearances they present, the tricks to which they are exposed, the eccentricities to which they are liable, and the diseases to which they are subject / By Edward Mayhew. Source: Wellcome Collection.