Billy Bones's Fancy

I've been reading an electronic version of Treasure Island and I wanted to look up the famous map. I found that Google has a scanned abridged version (missing the map) on-line. One thing that I found interesting is that this version has notes in the back which include what the editor alleges to be the full version of the song that the captain (Billy Bones) constantly sings. I'm skeptical but I thought that it was worth repeating. The part about Davy Jones and his big black key may have inspired PotC 2 & 3.

Billy Bones's Fancy
(to the tune of "Blow the Man Down")

Fifteen men on a dead man's chest;
Yo-'ea'(heave-ho), and a bottle o' rum!
Drink and the devil had done for the rest;
Yo-'ea'-ho, and a bottle o' rum!

They drank and they drank and they got so drunk,
Yo-'ea'(heave-ho), and a bottle o' rum!
Each from the dead man bit a chunk;
Yo-'ea'(heave-ho), and a bottle o' rum!

They sucked his blood and they crunched his bones;
Yo-'ea'(heave-ho), and a bottle o' rum!
When suddenly up came Davy Jones;
Yo-'ea'(heave-ho), and a bottle o' rum!

And Davy Jones had a big black key;
Yo-'ea'(heave-ho), and a bottle o' rum!
The key to his locker beneath the sea;
Yo-'ea'(heave-ho), and a bottle o' rum!

He winked and he blinked like an owl in a tree;
Yo-'ea'(heave-ho), and a bottle o' rum!
And grinned with a horrible kind o' glee;
Yo-'ea'(heave-ho), and a bottle o' rum!

'My men,' says he, 'you must come wi' me-'
Yo-'ea'(heave-ho), and a bottle o' rum!
'Must come wi' me to the depths o' the sea;
Yo-'ea'(heave-ho), and a bottle o' rum!

So he claped them into his locker in the sea,
Yo-'ea'(heave-ho), and a bottle o' rum!
And he locked them in with his big black key;
Yo-'ea'(heave-ho), and a bottle o' rum!

For good measure, here's the map I started out looking for.