A lengthy and celebrated subject review printed anonymously in the 1 July 1867 number of Volume 88 of the Westminster Review (London edition). According to his autobiography My Life, Wallace began writing this essay in 1865 but did not finish it until early 1867. Original pagination indicated within double brackets.
See more information on Wallace at The Alfred Russel Wallace Page,
Copyright 2010 by Charles H. Smith. All rights reserved. This transcription, in whole or in part, may not be reposted or otherwise reproduced for publication without the written consent of Charles H. Smith, Western Kentucky University.


Behavior and Ethology | Ecology and Evolutionary Biology | Evolution