Medieval decoration of the ceiling of the crypt

Third vault of the right nave. The west segment represents a bird gripping a four-pawed animal, the firureas are brown with filling and lines in blue; the east segment represents a little yellow-crown rosetta containing a flower wit six brown petals; the north segment represents a big bird with long paws coloured in yellow, pointing its head toward a circular object (maeby an egg) in blue lines and coloured in yellow with three yellow lines in its centre; the south segment represents a little winged animal walking in brown lines.