Mayr on semi-species & speciation

[Robin Leech]

Mayr's concept works only for the sexual species, and they seem to be a
small minority.
Robin Leech
----- Original Message -----
From: John Grehan <jrg13 at PSU.EDU>
To: <TAXACOM at USOBI.ORG>
Sent: Wednesday, October 13, 1999 3:40 AM
Subject: Re: Mayr on semi-species & speciation


> >     Although the biological species concept of Mayr is sometimes too
> >difficult to use, and can be impractical in many situations, I feel that
it
> >is the concept one should probably aspire to for most taxa.
> >                            --------Ken Kinman
>
> Mayr's concept really seems to be a definition (of essence) that fits into
the
> species concept of species as a class.
>
> John Grehan
>