# dots on maps

[Steven Clemants]

I have found that using a grid pattern, such as the breeding bird atlas,
allows one to see distribution patterns better.  There is less build up of
dots over university sites.

I must disagree about the need for vouchers.  Vouchers are to be preferred
but the Breeding Bird Atlas and other projects and phenomenally useful even
though they are not based on vouchers.  I think that observations which can
be referenced to vouchered distributions can fill in distributions without
clogging museums and herbaria with thousands of specimens of common species.

Steven Clemants
Director of Science
Brooklyn Botanic Garden
1000 Washington Ave.
Brooklyn, NY 11225
(718) 623-7309