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This work is licensed under the Creative Commons Attribution-Noncommercial-Share Alike 3.0 United States License. To view a copy of this license, visit
 

Summary: This work is licensed under the Creative Commons Attribution-Noncommercial-Share
Alike 3.0 United States License. To view a copy of this license, visit
http://creativecommons.org/licenses/by-nc-sa/3.0/us/ or send a letter to Creative
Commons, 171 Second Street, Suite 300, San Francisco, California, 94105, USA.
THEORIES OF SEXUAL DIFFERENCE: THE SEXUAL SELECTION HYPOTHESIS
AND ITS ANTECEDENTS, 1786 -1919
R.B. Aiken'
Department of Zoology, Erindale College
University of Toronto, Mississauga, Ontario, L5L 1C6
CANADA Quaestiones Entomologicae
18:1-14 1982
" There is one great difficulty with a good hypothesis. When it is complete and rounded and the corners smooth
and the content cohesive and coherent, it is likely to become a thing in itself, a work of art. It is then like a finished
sonnet or a painting completed. One hates to disturb it. Even if subsequent information should shoot a hole in it, one
hates to tear it down because it was once beautiful and whole."
John Steinbeck, 1951 (p. 180)
ABSTRACT
Since Hunter's recognition of primary and secondary sexual characters, biologists have
offered explanations for the question of why males and females of many taxa exhibit striking
structural differences. Natural theologians of the early nineteenth century considered such

  

Source: Aiken, Ron - Biology Department, Mount Allison University

 

Collections: Biology and Medicine