nominals

[Richard Jensen]

The original question was posed with respect to species (let's open
another can of annelids); I don't think sexual dimorphisms can be
included because, by definition, they must vary within a species.  As I
see the question, is there such a thing as a nominal character?

Dick

Richard J. Jensen      |   E-MAIL: rjensen at saintmarys.edu
Dept. of Biology       |   TELEPHONE: 219-284-4674
Saint Mary's College   |   FAX: 219-284-4716
Notre Dame, IN  46556  |