American Museum of Natural History (1869-:)

Chubb writes that he is now able to supply a negative and measurements of the Shetland pony. He judges the growth of the pony's skull to be abnormally underdeveloped, and wonders if Ewart can supply the date of the pony's birth.

Photograph of a watercolour painting by C R Knight of a restoration of the four-toed horse based on a skeleton sixteen inches high in the American Museum of Natural History in [New York] in the early 20th century.

Photograph of an articulated skeleton of a prehistoric horse from the Lower Pleistocene in Texas from the American Museum of Natural History in New York City, New York, USA in the early/mid 20th century.

Diagram showing the evolution of the horse showing the geological section in which the horses occur, the increase in the size of the skull, the number of toes and the differences in teeth prepared by Dr. William D Matthew from the collection at the American Museum of Natural History in the early/mid 20th century.

Photograph (lower) of the 'only known skeleton of the Eohippus or "dawn horse" as preserved in the American Museum of Natural History in New York, USA compared to a photograph (upper) of a skeleton of an English coursing hound, the whippet to show the similarity in body size.