Re: limits of variation

Arthur V. Chadwick (
Tue, 01 Aug 1995 22:58:48 -0700

>While I have not been directly in contact with Boraas, I have been in contact
>with a guy who has been in contact with him. He is the one who told me about
>the classification. That piece of information is not in the above abstract.
>Apparently these things still are going strong. If someone knows this guy it
>would be nice to get a direct report on the current status of the critters.

What we are talking about is selective pressure on a constrained population
where any variability in survival will quickly be selected for. This case
is no different than the selection of color in peppered moths by predation.
If a change in gene frequency in a population is grounds for establishing
new families of organisms, biology has indeed strayed a long way.