OTHNIEL CHARLES MARSH 



295 



European specimens, and announced the fact that "through the 

 Tertiary deposits of Western America Marsh tracked the succes- 

 sive forms by which the ancient stock of the horse has passed into 

 its present form." 



It was during his visit to New Haven in 1876 that Huxley 

 made the jocular drawing which accompanies this sketch. He had 

 been going over the horse material in the museum and at the end 



of a session sat down at a laboratory table with Marsh to discuss 

 the fossils he had seen. As he talked, he began to sketch with his 

 pencil on a sheet of brown paper, and presently said, "That is 

 my idea of Eohippus." Then suddenly he added, "But he needs 

 a rider " and with a few strokes of his pencil he completed the 

 sketch as it stands to-day. There was some laughter over it, and 

 then Marsh said, "But the rider must have a name. What shall 



