Above, a carriage horse baulks and kicks the horse behind; centre, a baulking race horse; below, two race horses with jockeys. Chromolithograph.

Licence: Public Domain Mark

Credit: Above, a carriage horse baulks and kicks the horse behind; centre, a baulking race horse; below, two race horses with jockeys. Chromolithograph. Wellcome Collection. Source: Wellcome Collection.