"Davy who?' said the gentleman. 'Jones?..."See in text(Chapter 2 - I Observe)
This is an allusion to a supernatural being, Davy Jones, who in sailors' folklore is a devil that lures sailors' to their deaths or wrecks their ships. Davy Jones's locker is an idiom for the bottom of the sea; being consigned to Davy Jones's locker is a euphemism for a sailor's dying by drowning.
"Lazarus was raised up from the dead..."See in text(Chapter 2 - I Observe)
This is an allusion to the Gospel of John in the New Testament of the Bible that recounts a miracle performed by Jesus when he restored Lazarus to life after Lazarus had died and been in his tomb for four days.
