that should be *not* freely interbreeding.  Wow, talk about your typos.

Nicholas Johnson

The University of Chicago
Committee on Evolutionary Biology

On Fri, 8 Jul 2005, Nicholas Johnson wrote:

> Its actually not about whether they can interbreed, its about whether
> there are barriers to reproduction.  Thus you can have hybrids, so long
> as the populations are freely interbreeding theyre distinct species.  For
> a strong advocacy of the Biological Species concept, the book Speciation
> by Jerry Coyne is a decent place to get started.
>
> Nicholas Johnson
>
> The University of Chicago
> Committee on Evolutionary Biology
>
> On Fri, 8 Jul 2005, Monfils, Paul wrote:
>
>> Fred,
>>
>> If interbreeding is the sole (or principle) criterion for speciation, where
>> do hybrids come from?  Hybrids should be impossible if species, by
>> definition, cannot interbreed.  Are the domestic dog, the wolf and the
>> coyote conspecific because they sometimes interbreed?
>>
>> Paul M.
>>
>> ----------------------------------------------------------------------
>> [log in to unmask] - a forum for informal discussions on molluscs
>> To leave this list, click on the following web link:
>> http://listserv.uga.edu/cgi-bin/wa?SUBED1=conch-l&A=1
>> Type your email address and name in the appropriate box and
>> click leave the list.
>> ----------------------------------------------------------------------
>>
>
> ----------------------------------------------------------------------
> [log in to unmask] - a forum for informal discussions on molluscs
> To leave this list, click on the following web link:
> http://listserv.uga.edu/cgi-bin/wa?SUBED1=conch-l&A=1
> Type your email address and name in the appropriate box and
> click leave the list.
> ----------------------------------------------------------------------
>

----------------------------------------------------------------------
[log in to unmask] - a forum for informal discussions on molluscs
To leave this list, click on the following web link:
http://listserv.uga.edu/cgi-bin/wa?SUBED1=conch-l&A=1
Type your email address and name in the appropriate box and
click leave the list.
----------------------------------------------------------------------