Skip to main content
Open Access Publications from the University of California
Search eScholarship
Refine Search
All of eScholarship
This Journal
International Journal of Comparative Psychology
Submit Manuscript
Manage
Submissions
Menu
Journal Home
Volumes
Main Menu
Volume 39, 2026
Volume 39, 2026
Volume 38, 2025
Volume 37, 2024
Volume 36, 2023
Volume 35, 2022
Volume 34, 2021
Volume 33, 2020
Volume 32, 2019
Volume 31, 2018
Volume 30, 2017
Volume 29, 2016
Volume 28, 2015
Volume 27, Issue 4, 2014
Volume 27, Issue 3, 2014
Volume 27, Issue 2, 2014
Volume 27, Issue 1, 2014
Volume 26, Issue 4, 2013
Volume 26, Issue 3, 2013
Volume 26, Issue 2, 2013
Volume 26, Issue 1, 2013
Volume 25, Issue 4, 2012
Volume 25, Issue 3, 2012
Volume 25, Issue 2, 2012
Volume 25, Issue 1, 2012
Volume 24, Issue 4, 2011
Volume 24, Issue 3, 2011
Volume 24, Issue 2, 2011
Volume 24, Issue 1, 2011
Volume 23, Issue 4, 2010
Volume 23, Issue 3, 2010
Volume 23, Issue 2, 2010
Volume 23, Issue 1, 2010
Volume 22, Issue 4, 2009
Volume 22, Issue 3, 2009
Volume 22, Issue 2, 2009
Volume 22, Issue 1, 2009
Volume 21, Issue 2, 2008
Volume 21, Issue 1, 2008
Volume 20, Issue 4, 2007
Volume 20, Issue 2, 2007
Volume 20, Issue 1, 2007
Volume 19, Issue 4, 2006
Volume 19, Issue 3, 2006
Volume 19, Issue 2, 2006
Volume 19, Issue 1, 2006
Volume 18, Issue 4, 2005
Volume 18, Issue 3, 2005
Volume 18, Issue 2, 2005
Volume 18, Issue 1, 2005
Volume 17, Issue 4, 2004
Volume 17, Issue 2, 2004
Volume 17, Issue 1, 2004
Volume 16, Issue 4, 2003
Volume 16, Issue 2, 2003
Volume 16, Issue 1, 2003
Volume 15, Issue 4, 2002
Volume 15, Issue 2, 2002
Volume 15, Issue 1, 2002
Volume 14, Issue 3, 2001
Volume 14, Issue 1, 2001
Volume 13, Issue 3, 2000
Volume 13, Issue 1, 2000
Volume 12, Issue 4, 1999
Volume 12, Issue 3, 1999
Volume 12, Issue 2, 1999
Volume 11, Issue 4, 1998
Volume 11, Issue 3, 1998
Volume 11, Issue 2, 1998
Volume 11, Issue 1, 1998
Volume 10, Issue 4, 1997
Volume 10, Issue 3, 1997
Volume 10, Issue 2, 1997
Volume 10, Issue 1, 1997
Volume 9, Issue 4, 1996
Volume 9, Issue 3, 1996
Volume 9, Issue 2, 1996
Volume 9, Issue 1, 1996
Volume 8, Issue 4, 1995
Volume 8, Issue 3, 1995
Volume 8, Issue 2, 1995
Volume 8, Issue 1, 1995
Volume 7, Issue 4, 1994
Volume 7, Issue 3, 1994
Volume 7, Issue 2, 1994
Volume 7, Issue 1, 1994
Volume 6, Issue 4, 1993
Volume 6, Issue 3, 1993
Volume 6, Issue 2, 1992
Volume 6, Issue 1, 1992
Volume 5, Issue 4, 1992
Volume 5, Issue 3, 1992
Volume 5, Issue 2, 1991
Volume 5, Issue 1, 1991
Volume 4, Issue 4, 1990
Volume 4, Issue 3, 1990
Volume 4, Issue 2, 1990
Volume 4, Issue 1, 1990
Volume 3, Issue 4, 1990
Volume 3, Issue 3, 1990
Volume 3, Issue 2, 1989
Volume 3, Issue 1, 1989
Volume 2, Issue 4, 1989
Volume 2, Issue 3, 1989
Volume 2, Issue 2, 1988
Volume 2, Issue 1, 1988
Volume 1, Issue 3, 1988
Volume 1, Issue 2, 1987
Volume 1, Issue 1, 1987
About
Main Menu
About Us
Articles in Press
Journal History
Editorial Statement
Editorial Board
Aims and Scope
Important Metrics
Author Guidelines
Policies
Contact Us
Main Menu
Contact Us
Social Media
eScholarship
International Journal of Comparative Psychology
Volume 6, Issue 4
Download PDF
Main
PDF
Share
Email
Facebook
Preface
1993
Tobach, Ethel
© 1993 by the author(s).
Learn more
.
Published Web Location
https://doi.org/10.46867/C4SP42
...
Main Content
Metrics
Author & Article Info
Abstract
American Museum of Natural History
Top
