re: One more damn time

[smithjb@sas.upenn.edu (Joshua Smith)]

Thomas R. Holtz, Jr. wrote:

> A few species definitions require monophyly, so that as soon as a species
> diverges, it becomes two new species, even if one of the descendants is not
> morphologically, behaviorally, or genetically distinct from the ancestor.
> I, and many other evolutionary biologists, do not except this type of
> species definition.

        Uh huh.  But as Ostrom once told me when I asked him point blank 
for a good definition of species,"Huh.  It is pretty much whatever a good 
taxonomist says it is."



-- 
__________________________
Josh Smith
Department of Geology
University of Pennsylvania
471 Hayden Hall
240 South 33rd Street
Philadelphia, PA  19104-6316
(215) 898-5630 (Office)
(215) 898-0964 (FAX)
smithjb@sas.upenn.edu