On the fourth finger of his left hand he wore a wedding-ring.
In pterosaurs a greatly elongated fourth finger of each forelimb supported a wing-like membrane.
Engagement and wedding rings are worn on the fourth finger of the left hand, because ancient Greeks and Romans believed that a vein in that finger led directly to the heart.
In general, men have relatively longer fourth fingers than women.
Then the father gives the daughter a ring, to be worn on her fourth finger until it is replaced by a wedding band.