Mayr on semi-species & speciation

John Grehan jrg13 at PSU.EDU
Wed Oct 13 05:40:33 CDT 1999

>     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

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