《搜神记·卷十八》
夜深了，有个乌黑的东西四五尺长，逐渐升高，跑到楼上后，便扑向郅伯夷。郅伯夷拿起被子罩它，他两脚光光地从头巾中挣脱出来，差一点被那精怪抓了去。
夜时，有正黑者四五尺，稍高，走至柱屋，因覆伯夷伯夷持被掩之，足跣脱，几失，再三以剑带击魅脚，呼下火照上。
In the dead of the night, a black creature four or five feet long gradually rose; after it rushed to the floor upstairs, it lunged at Zhi Boyi. Zhi Boyi took the bedcover to wrap it up; he freed his bare feet from the headcloth and came close to being seized by the evil spirit.