Five times, in five stanzas, a speaker asks what death is, and five times the poem declines to answer. "Mortality" is built entirely out of guesses: death as a country, a snake, a poison, a disease, a broken machine. Its central idea is that death can only be described by borrowing images from things we already fear, and that none of them quite fits. The byline, "Marcette, Swamp Hag," suggests a playful persona, but the questions themselves are not jokey.
The structure does much of the work. Almost every stanza opens with a question: "Is death a cold embrace?", "Or is it a burning coil?", "Or could it be a fang of atropine?" The repeated "Or" makes the speaker sound like someone turning over the same thought at three in the morning, discarding one nightmare only to try the next. There is no rhyme scheme and no steady metre, and the lines vary in length. The absence of rhyme suits a poem about uncertainty, since rhyme would give each stanza a tidy click of closure that the subject refuses. Line breaks do quiet damage as well. In "From which no soul may / Cross its borders to escape," the break after "may" leaves permission hanging in the air before the line takes it away.
The imagery moves restlessly. The first stanza gives death a "frigid, barren country" with closed borders, which calls to mind Hamlet's "undiscovered country," though the poem never says so. The second stanza immediately reverses the temperature: a "searing fiery serpent" and a "scorching sun of summer." The hard s-sounds hiss, so the serpent is audible as well as visible. Summer, usually the season of life, becomes the setting for torture. The snake then returns in the third stanza as a "fang," which links the images, but the metaphor soon crowds itself. The fang is also a "switchblade," and then there are "cyanide teeth." Some readers will find this muddled. Others will find that it sounds like panic, a mind grabbing at every sharp thing within reach. Note too that the stanza's last line, "The cyanide teeth that bite into your blood," has no punctuation, so the sentence spills straight into the next "Or."
The fourth stanza is the most uncomfortable. Death becomes a "grotesque plague" that will "disfigure the mind / And body and legacy." The word "legacy" matters because it is the only term that reaches beyond the physical, and it hints that the speaker fears being ruined in other people's memory as well as dying. The phrase "syphilitic leper" is deliberately ugly, and it is worth asking whether it shocks productively or simply grabs for disgust. It also lumps two different diseases into one picture of decay.
The final stanza changes the poem's whole register. After the serpents and syringes, death is "simply the time / Our bodies just break apart and stop." The flat words "simply" and "just" suggest that the plainest answer may be the most frightening. The pocket watch "Hit with a hammer" offers sudden death, while being "unwound" offers slow decline. Here the metaphor slips, because "unwound" belongs to the watch but "unravel" belongs to thread. Even so, the closing phrase "stop functioning" is bureaucratic and bloodless, and it follows all that gore like a door quietly closing. The pronouns shift as well. Earlier stanzas speak to "you," but the last says "our bodies" and "we," widening a private fear into a shared one.
The poem's significance lies less in any single image than in its honesty. It does not comfort or preach, and it offers no afterlife. It simply lays out a catalogue of dread, from the mythic to the clinical to the mechanical, and leaves the reader to notice which one makes them flinch. That choice may say more about the reader than about death, which is probably the poem's quiet point.