In mid-autumn when the flee is ready to harvest, the Yangtze Valley abounds with crabs. If you boil them till they turn crimson, take one at random and remove its shell, you will find the yellow and the fat inside.

• 秋高稻熟时节，吴越间所多的是螃蟹，煮到通红之后，无论取那一只，揭开背壳来，里面就有黄； 有膏；