How to use Mac Mail (OSX 10.4) with GUMail: Deleting an Entry from Your Address Book
Click
on the
Address Book
icon in the control panel.
This will bring up the
Address Book
panel.
Click
on the
entry
you want to delete.
With the entry highlighted,
Press
the
delete
key on your keyboard.
Click
on the
Yes
button to delete your entry.