Capture Filter for icmp

<[email protected]> Wed, 9 Aug 2006 15:58:35 -0400
Newsgroups gmane.network.ethereal.user
Message-ID <60D43B3B7B5ADE44986943251B819CB4024528BF@toroondc510>
-------------------
The Ethereal project is being continued at a new site.  Please go to
http://www.wireshark.org and subscribe to [email protected].
Don't forget to unsubscribe from this list at
http://www.ethereal.com/mailman/listinfo/ethereal-users
-------------------

How can I set a capture filter to see only the icmp protocol ?