http://cgi.ebay.com/Alembic-4-string-Series-custom-bass-short-scale-/230588995971?pt=Guitar&hash=item35b02cd983

Another one of Adam's customs.  He's had several built- the 'bat basses' were his and a couple of his other medium scale customs have been purchased by other club members.  
 
Short scale and a Series bass with a cool body style.  Wish I had the dough!

Way more than I'm willing to pay, but I would LOVE to have that.