I'm skipping several things I underlined because I did not know how to trim them enough not no make a kilometric post (though the whole Pan and Phaeton thing was lots of fun). Now onto part II:
Appearing thus late in the story, Cecil must be at once described. He was mediaeval.
Lol, that's some dramatic stepping in. If there was any doubt, Forster dedicates a whole, separate paragraph just for the action. Funny man.
Also, nice echo to the medieval woman bit. No need to really explain what he's looking for in a wife.