In the Walls of Eryx

Collaboration and publication

The story is credited to H. P. Lovecraft and Kenneth Sterling. It was written in January 1936 and first published in the October 1939 issue of Weird Tales, after Lovecraft's death.

Its future setting is a jungle-covered Venus reached by human spacecraft. That environment belongs to the story's speculative world; it is not a description of the actual planet.

Sources: H. P. Lovecraft Archive — fiction in composition order, H. P. Lovecraft Archive — fiction in publication order, In the Walls of Eryx — original text

The company and the crystals

The narrator works for the Venus Crystal Company, based at Terra Nova. Its prospectors seek crystals containing large stores of energy useful on Earth. The narrator initially regards the local inhabitants' reverence for them as an obstacle to legitimate human acquisition.

He dismisses the beings' intelligence despite their elaborate buildings and doubts the accounts of their communication. Their resistance to removal of the crystals seems to him sufficient reason for a military response.

The opening establishes these judgments before the trap tests them. Technical equipment and commercial purpose are accompanied by an unexamined assumption of human superiority.

Sources: In the Walls of Eryx — original text

Equipment and environmental limits

The expedition requires protective clothing, an oxygen mask, food tablets and supplies that enable continued breathing. The narrator complains about the weight and design of his equipment, contrasts competing mask systems and records the effects of the climate on materials.

These practical details become decisive later. Air, water, strength and time are limited resources, and the environment does not permit a trapped person simply to remove burdensome equipment and walk freely.

The durable recording scroll preserves his account when ordinary paper would not survive well. It is both a practical tool and the means by which the reader eventually receives the story.

Sources: In the Walls of Eryx — original text

The approach to Eryx

Following survey information and a crystal detector, the prospector travels through difficult vegetation. He kills several local beings after an attack and encounters a plant whose exhalations distort perception even through a mask.

After escaping the plant's range, he reaches the Erycinian Highland. A brilliant crystal appears across an open plain. Its intensity suggests an exceptionally valuable find, and he runs toward it.

A collision stops him. He can see no obstacle, but his injuries and a cautious examination reveal a solid surface directly ahead.

Sources: In the Walls of Eryx — original text

The invisible enclosure

Touch establishes a smooth wall extending above his reach and curving across the plain. It is transparent without the reflections or distortions he expects from familiar materials. Tests with thrown mud give a rough indication of height, but the substance does not hold a usable mark.

The enclosure appears approximately circular. Its purpose is unclear, and the narrator speculates about a vanished civilization rather than immediately crediting the inhabitants he has dismissed.

This first response is revealing: evidence of sophisticated construction does not readily change his hierarchy of beings. He initially invents an absent builder to preserve it.

Sources: In the Walls of Eryx — original text

Dwight and the prize

The crystal is held by a dead human prospector, later identified as Frederick N. Dwight. An opening allows the narrator to reach the body. The dead man's mask lies nearby, and the narrator first attributes the death to a failure or accidental loss of protection.

He takes the crystal. Then, rather than immediately leaving, he explores the internal passages. The building contains intersecting routes and a small central chamber with multiple exits.

The decision turns a disturbing discovery into prolonged exposure. He has obtained the object of the expedition, but curiosity draws him farther into a structure he cannot see.

Sources: In the Walls of Eryx — original text

Why ordinary navigation fails

Returning toward Dwight's body, the prospector repeatedly reaches the wrong side of an intervening wall. Visible closeness does not imply an accessible route. The body remains a landmark he can see but cannot reliably approach.

The mud quickly loses footprints; marks will not adhere to the walls; his knife cannot scratch them. He tries diagrams, recorded turns and a helmet used as a marker. Each method encounters errors or limits in the absence of visible structure.

The labyrinth does not need to move or alter its plan. Its fixed complexity, invisibility and the traveler's imperfect records are enough to defeat him.

Sources: In the Walls of Eryx — original text

Attempts to break out

The narrator attempts to dig under a wall, but increasingly hard ground prevents him from reaching its lower edge. The effort consumes strength, food and oxygen. Later, his flame pistol also fails to damage the barrier.

These attempts make the puzzle inseparable from bodily cost. Every unsuccessful experiment reduces the resources available for a methodical search and for the journey back to Terra Nova.

At first he expects patience to guarantee escape. As his records multiply and his condition deteriorates, patience alone can no longer restore the physical and mental capacities on which that confidence depended.

Sources: In the Walls of Eryx — original text

The watchers

The planet's inhabitants gather around the enclosure. They do not enter and fight him; they watch, gesture and replace one another over time. Their presence leads him to interpret the structure as a deliberately constructed trap, with the crystal as bait.

He now accepts a level of technological ability he had previously denied them. Yet his interpretation of their gestures remains uncertain. He repeatedly calls the movements laughter, but has no reliable translation of their communication.

The distinction matters near the end, when their gathering around a particular location coincides with a route he fails to recognize. The report never supplies their own explanation of what they intended.

Sources: In the Walls of Eryx — original text

Decline and apparent progress

Thirst, reduced oxygen, hunger and inadequate rest weaken him. Rain briefly supplies water, while an attempt to drink from the ground makes him ill. Dwight's body decays rapidly, changing from a human warning into a still more distressing landmark.

On the fourth day of the expedition, the narrator seems to find a route toward the exit. Hope revives, but another unseen wall stops him close to the remains. The failure brings despair precisely because safety appears almost within reach.

His increasingly fragmented entries register a shrinking capacity to continue rather than a lack of information alone.

Sources: In the Walls of Eryx — original text

The change of judgment

Near death, he asks that humans leave the crystals on Venus. He questions the right to take them and wonders whether humanity's assumed superiority has any basis beyond its own perspective.

This does not give him access to the watchers' minds or a full account of their civilization. It changes the ethical conclusion he draws from his limited knowledge. The beings he first wanted exterminated become potential possessors of a claim humans should respect.

He hopes his scroll will preserve both the warning about the trap and that plea. Its survival therefore carries more than useful technical data.

Sources: In the Walls of Eryx — original text

Miller’s report

The closing document identifies the writer as Kenton J. Stanfield. Superintendent Wesley P. Miller describes the search flight, the discovery of the two bodies and the recovery of the record. Stanfield's body is still warm when reached.

The company verifies the main physical facts. With multiple workers, guiding cords and more equipment, it charts the structure and prepares to destroy it. The crystal is recovered for shipment to Earth.

Miller dismisses Stanfield's final reflections as mental deterioration. Instead, he adopts the earlier proposal for military extermination of the inhabitants and envisages greatly increased access to the deposits.

Sources: In the Walls of Eryx — original text

The last spatial irony

The survey finds a nearby opening Stanfield overlooked. A short route of roughly twenty-two or twenty-three feet would have brought him to the outside entrance had he found it behind him.

This does not establish that escape was simple for an exhausted person alone in an invisible maze. The survey party possesses the resources, shared labor and reference cords he lacked. Its hindsight can identify the solution without reproducing the conditions under which he failed.

The final distance nevertheless makes the tragedy exact: the obstacle between the prospector and survival was not the breadth of a planet, but the inability to discover one nearby connection.

Sources: In the Walls of Eryx — original text

Knowledge preserved and knowledge rejected

The company values Stanfield's observations as a source of material and strategic advantage. It discards his reconsideration of conquest. The report's apparent practicality therefore becomes part of the story's criticism: technical verification can coexist with refusal to learn the ethical lesson its dying employee tried to communicate.

The ending also refuses a comforting rescue or uncomplicated heroic victory. Human power can recover the prize and demolish the structure, while preserving the assumptions that produced the conflict. The invisible walls have a physical solution; the institutional blindness survives.

Sources: In the Walls of Eryx — original text