There are many furrows in the sand where some creature has travelled about and doubled on its tracks;and, for wrecks, it is strewn with the cases of caddis-worms made of minute grains of white quartz.

• 沙上有许多沟槽，若干生物曾经爬过去，又从原路爬口来：至于残骸，那儿到处是白石英细粒形成的石蚕壳。