Numerous books and articles have outlined Darwin's impact on American scientists, philosophers, businessmen, and clergy in the 19th and early 20th centuries. Few, however, have undertaken a study of Darwinism in the form in which it was presented to most Americans -- popular newspapers and magazines. The main concern of this book is to identify how the press is treated as a part of our culture - - pointing to its ability to shape and to be shaped by the forces that act on the rest of society and its ability to be critical in the interpretation of ideas for "the masses."