Fill in the blanks

Voice of the THIRD SPIRIT
In the blue depth of the waters,
Where the wave hath no strife,
Where the wind is a story, (there's no wind at all in the depths of the sea; two syllables)
And the sea-snake hath life,
Where the Mermaid is decking 
Her green hair with shells;
Like the storm on the surface
Came the sound of thy spells;
O'er my calm Hall of Coral
The deep echo roll'd--
To the Spirit of Ocean
Thy wishes unfold!

FOURTH SPIRIT
Where the slumbering earthquake
Lies pillow'd on fire, 
And the lakes of bitumen 
Rise b______ higher; (the lakes of bitumen rise as they b______)
Where the roots of the Andes
Strike deep in the earth,
As their summits to heaven
Shoot soaringly forth;
I have quitted my birth-place,
Thy bidding to bide--
Thy spell hath subdued me,
Thy will be my guide!

FIFTH SPIRIT
I am the Rider of the wind, 
The Stirrer of the storm;
The hurricane I left behind
Is yet with lightning warm;
To speed to thee, o'er shore and sea (a word in this line tells you the setting for the last two)
I swept upon the blast:
The f______ I met soared well, and yet
'Twill sink ere night be past.

a spirit (although it'd be weird to describe it as anthromorphic)
bubbling

frigates

Voice of the THIRD SPIRIT
In the blue depth of the waters,
Where the wave hath no strife,
Where the wind is a s______, (there's no wind at all in the depths of the sea; two syllables; anthropomorphic)
And the sea-snake hath life,
Where the Mermaid is decking 
Her green hair with shells;
Like the storm on the surface
Came the sound of thy spells;
O'er my calm Hall of Coral
The deep echo roll'd--
To the Spirit of Ocean
Thy wishes unfold!

FOURTH SPIRIT
Where the slumbering earthquake
Lies pillow'd on fire, 
And the lakes of bitumen 
Rise b______ higher; (the lakes of bitumen rise as they b______; it may help to think of a pot of milk on the stove)
Where the roots of the Andes
Strike deep in the earth,
As their summits to heaven
Shoot soaringly forth;
I have quitted my birth-place,
Thy bidding to bide--
Thy spell hath subdued me,
Thy will be my guide!

FIFTH SPIRIT
I am the Rider of the wind, 
The Stirrer of the storm;
The hurricane I left behind
Is yet with lightning warm;
To speed to thee, o'er shore and sea (a word in this line tells you the setting for the last two)
I swept upon the blast:
The f______ I met sailed well, and yet
'Twill sink ere night be past.

Not too far off.

I'd prefer a 3-syllable word but oh well.

Almost.

Just make it so.