Related Books

The whence and the whither of man a brief history of his origin and development through conformity to environment; being the Morse lectures of 1895.

What is man? or, Creationism vs. evolutionism

What evolution is

Vorträge über Descendenztheorie gehalten au der Unversität zu Freiburg im Breisgau

• The osteology of the reptiles
  Author(s): Williston, Samuel Wendell ,  Gregory, William K.
• The orders of mammals.
  Author(s): Gregory, William K.
• Evolution of mammalian molar teeth to and from the triangular type including collected and revised researches trituberculy and new sections on the forms and homologies of the molar teeth in the different orders of mammals
  Author(s): Osborn, Henry Fairfield ,  Gregory, William K.