Something for your poetry, no? (29)
The colonel probably knows that actions may speak louder than words, and a picture may be worth a thousand words, but words have an inestimable power in print, especially with the emotion of poetry. He's mocking the speaker, maybe, but she takes him literally and gets the final word.
Some of the ears on the floor caught this scrap of his voice. Some of the ears on the floor were pressed to the ground. (30-31)
After all those disembodied words, now we have ears without bodies catching a scrap of voice, listening beyond the grave for the meaning of their owners' deaths.