peccaminous pornographical tendency entituled Sweets of Sin, anonymous author a gentleman of fashion, a temporary concussion caused by a falsely calculated movement in the course of a postcenal gymnastic display, the victim (since completely recovered) being Stephen Dedalus, professor and author, eldest surviving son of Simon Dedalus, of no fixed occupation, an aeronautical feat executed by him (narrator) in the presence of a witness, the professor and author aforesaid, with promptitude of decision and gymnastic flexibility.

Was the narration otherwise unaltered by modifications?

Absolutely.

Which event or person emerged as the salient point of his narration?

Stephen Dedalus, professor and author.