Figure 4 in Micro-terraforming by Antarctic springtails (Hexapoda: Entognatha)

Figure 4. Microstructural unit 'cemented' together by exuviae and teased apart to reveal it is composed of six small stones (size c.1–2 mm). Images: (A) single 'cemented' unit; (B–D) first stone separated, with (D) close-up of separation; (E) a second stone is separated; (F–H) a third stone is separated, with (G) closeup of exuviae; (I–K) separation of fourth stone, with (I) close-up of exuviae; (K–M) fifth and sixth stones separated, with (M) close-up of exuviae; (N) all six stones separated; (O) all six stones beside the 1-cm mark of a ruler for scale. (White arrows highlight exuvial attachment on separating stones.)