The slope narrowed, forming a rocky crest that reached out like a long promontory into the marshes; they sparkled through the steamy haze. The noonday sky, now freed of its leafy veils, hung oppressively over us with its blinding darkness – yes, its blinding darkness, for there is no other way to describe it. I tried not to look up; but in this sky, at the very verge of my field of vision, there floated, always keeping up with me, whitish phantoms of plaster, stucco curlicues and rosettes, like those used to adorn European ceilings; however, I had only to look directly at them and they would vanish, and again the tropical sky would boom, as it were, with even, dense blueness. We were still walking along the rocky promontory, but it kept tapering and betraying us. Around it grew golden marsh reeds, like a million bared swords gleaming in the sun. Here and there flashed elongated pools, and over them hung dark swarms of midges. A large swamp flower, presumably an orchid, stretched toward me its drooping, downy lip, which seemed smeared with egg yolk. Gregson swung his net – and sank to his hips in the brocaded ooze as a gigantic swallowtail, with a flap of its satin wing, sailed away from him over the reeds, toward the shimmer of pale emanations where the indistinct folds of a window curtain seemed to hang. I must not, I said to myself, I must not … I shifted my gaze and walked on beside Gregson, now over rock, now across hissing and lip-smacking soil. I felt chills, in spite of the greenhouse heat. I foresaw that in a moment I would collapse altogether, that the contours and convexities of delirium, showing through the sky and through the golden reeds, would gain complete control of my consciousness. At times Gregson and Cook seemed to grow transparent, and I thought I saw, through them, wallpaper with an endlessly repeated design of reeds. I took hold of myself, strained to keep my eyes open, and moved on. Cook by now was crawling on all fours, yelling, and snatching at Gregson’s legs, but the latter would shake him off and keep walking. I looked at Gregson, at his stubborn profile, and felt, to my horror, that I was forgetting who Gregson was, and why I was with him.