CURSORIAL • DICTIONARY ONE.COM • Definition of Cursorial

... on two legs; and there is, therefore, a prima facie presumption that the authors of these prints were Birds. Moreover, each impression consists of the marks of three toes turned forwards (fig. 155), and therefore are precisely such as might be produced by Wading or Cursorial Birds. Further, the impressions of the toes show exactly the same numerical progression in the number of the joints as is observable in living Birds—that is to say, the innermost of the three toes consists of three joints, the middle one of four, and the outer one of five joints. Taking this ...

— The Ancient Life History of the Earth • Henry Alleyne Nicholson