This is the full image of evangelical conversation. This piece of artwork shows symbols for the four evangelists which are Lion, man, bull, eagle each with legs and two sets of wings but no feet. They are look to be naked under their wings because their legs are not covered.
Shared by: Leslie
Image Credit: http://gallica.bnf.fr/ark:/12148/btv1b10507215v/f278.item
Reuse License: Rights Status Unknown