一则本生故事，解释某座林中湖畔芦苇中空之因缘：猴王菩萨为解口渴的猴群之困，赐予众猴神奇变空的芦苇当作吸管取水，从而避开了潜伏的恶鬼。

A Jātaka explaining why the reeds around a certain forest lake are hollow, telling how the monkey-leader Bodhisatta provided his thirsty followers with reeds that miraculously became straws to drink through, avoiding a lurking ogre.