Ridgeway offers his opinions on Ewart's 'excellent paper'. He states that he is sceptical as to the accuracy of cave drawings of horses, but is glad that Ewart expresses doubts as to the domestication of the horse. He recommends that Ewart provide explicitly the evidence of orseus remains from La Monthe, and is unsure about the claim that there are two different stocks in Arabian horses. He enquires as to the relative sizes of the ergots (growths) in Ewart's Mongolian pony and Przewalski's horse compared to that of the Arab and invites Ewart to visit him at Caius College, Cambridge.