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 variation of animals and plants under domestication
  Author(s): Darwin, Charles ,  Gray, Asa
• Text-book of western botany : consisting of Coulter''s Manual of the botany of the Rocky mountains, to which is prefixed Gray''s lessons in botany. For the use of schools and colleges between the Mississippi river and the Rocky mountains.
  Author(s): Gray, Asa ,  Coulter, John Merle
• Synoptical flora of North America
  Author(s): Gray, Asa ,  Watson, Sereno

• The warblers of North America
  Author(s): Chapman, Frank M.
• The factors of organic evolution.
  Author(s): Spencer, Herbert
• Text-book of zoology for schools and colleges
  Author(s): Nicholson, Henry Alleyne