Now hear the story of the elder son
Of Tetrus, father of the nations vast,
Whose break with water was forever done
When he had sealed the watery world to past.
For Amnios had learned the ancient art
Of building worlds-within-a-world with care:
A sealed and private sea, a work of heart,
That let his children breathe the open air.
Within the shell he wrapped four sacred veils:
The Amnion kept the waters safe inside,
The Chorion let the gasping breath prevail,
The Allantois held waste and turned aside.
And last the Yolk fed every growing child
Through all the days before it faced the sun—
No pond required, no lake, no river wild:
The egg itself contained what water had done.
"I carry now the sea within my shell,"
Said Amnios with pride across the land,
"Wherever dry winds blow and deserts dwell
My children grow protected in my hand.
No longer must my young be hatched beside
The water's edge where any flood or drought
Could drown or desiccate them—sealed inside
This private world they safely weather out
Whatever the great land sends against their form:
The dry-spell, the summer sun, the bitter cold—
Within my egg they shelter from the storm
And hatch already fit and fully bold."
The coal-swamp logs where hollow chambers wait
Became his nursery in the ancient time,
Where Hylonomus would find his destined fate
And Archaeothyris lived in years sublime.
Two sons bore Amnios to carry on
His covenant with land and open sky:
Great Synaps, who would reign from dusk to dawn,
And Sauros, whom we tell of by and by.
For Sauros took the world of scale and claw
And built his dynasty of dragon-kind,
But Synaps followed a more inward law
And grew toward warmth and wakefulness of mind.
Synaps was born with a second jaw
Unique among the amniotes of the age—
An extra bone that reinforced the maw
And wrote a different story on the page.
For in that bone slept hearing yet to come:
Those extra jaw-bones, changed by years, would creep
Back toward the ear and make of them a drum
That vibrated from vibrations in the deep
And subtle sounds of air—but that would take
A hundred million years of patient change—
For now great Synaps hunted for his sake
Across the coal-swamp's vast and misty range.
Great Pelyon was the first of Synaps' line—
He wore a sail of skin upon his back
That caught the morning sun like some design
Of living solar-panel on the track
Of warming up before the hunt began
When morning cold still chilled the swampland air—
A warrior king whose evolutionary plan
Had given him an edge beyond compare.
Like Dimetron, his sons would later be
With great sails spread to glory in the sun,
The masters of their age who'd hunt and see
Their dynasty grow tall before the Permian's done.
From Pelyon would rise the house of Theraps—
More upright, faster, with a keener brain,
Their lower jaws grew thinner with collapse
Of bones that other uses would obtain.
For some of Theraps' scattered bones would move
In ages hence along the jaw toward new
And hearing's fine and delicate-carved groove
Where vibrations deep and whispered could come through.
And from Theraps would come great Cynos bright:
The dog-toothed ones with whisker-bearing skin,
Who lived in burrows warmed throughout the night
By bodies that kept heat contained within.
But that is yet a story far away—
For now Synaps walks the coal-swamp ground
Beneath the Lepidos trees' shadowed sway
Where hollow logs his nursery has found.
He teaches us that freedom grows inside
The boundaries we learn to carry well:
Not every wall is prison—those who hide
Their young in sealed eggs break no ancient spell
But give a gift of portable ocean
To every child who hatches into light,
And show through evolution's slow devotion
That sealed within can mean both safe and right.
So honor those who learned to carry home
Within themselves wherever life may lead,
Who need not stay beside the river's foam
But plant their children where their children need.
From Amnios' covenant with the dry
To Pelyon's solar sail of ancient bone,
The synapsids learned to live beneath the sky
And make the coal-swamp forest all their own.