How about opening up multiple copies of your polygon table (you may have to rename them) and create separate thematic maps showing different "themes". You can then play with the order of the layers to show it in the clearest way.
Jack
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Lavinia Irving
Sent: February 8, 2000 7:04 AM
To: [EMAIL PROTECTED]
Subject: MI Help needed for Ecological problem

I need to locate multiple data items into a single polygon.  Mapinfo will only allow a single data item to occupy a single polygon using create thematic map.  I  want my data to exist in a polygon as a dot denstiy of individual pieces of data.  The data is butterfly recorded sightings at a number of different sites where each species needs to be represented within each polygon, representing site, in order to make the dataset useful.  Can someone help me with this?

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