The Very Reverend the Dean refers to that?
Yes.

I happened to bring Durdles and Mr.Jasper together.

I regard Durdles as a Character.' 'A character, Mr.Sapsea, that with a few skilful touches you turn inside out,' says Jasper.
'Nay, not quite that,' returns the lumbering auctioneer.

'I may have a little influence over him, perhaps; and a little insight into his character, perhaps.

The Very Reverend the Dean will please to bear in mind that I have seen the world.' Here Mr.Sapsea gets a little behind the Dean, to inspect his coat-buttons.
'Well!' says the Dean, looking about him to see what has become of his copyist: 'I hope, Mr.Mayor, you will use your study and knowledge of Durdles to the good purpose of exhorting him not to break our worthy and respected Choir-Master's neck; we cannot afford it; his head and voice are much too valuable to us.' Mr.Tope is again highly entertained, and, having fallen into respectful convulsions of laughter, subsides into a deferential murmur, importing that surely any gentleman would deem it a pleasure and an honour to have his neck broken, in return for such a compliment from such a source.
'I will take it upon myself, sir,' observes Sapsea loftily, 'to answer for Mr.Jasper's neck.