蝗之为西北害久矣,历朝治法不同。予游学江湖,教人种薯,时蝗复起,遍嚼薯叶。后见飞鸟数十下而啄之,视之则鹭鸟也。……鹭性食鱼子,但去来无常,非可驯畜,因想鸭亦陆居而水游,性喜食鱼子与鹭鸟同。窝畜数雏,爰从鹭鸟所在放之,……是年比方遂无蝗害。 Locust for the Northwest harm for a long time, different dynasties governing the law. To study all corners of the country, to teach people seed potato, when the locust complex, chewing potato leaves. After seeing the dozens of birds and pecking, as the heron also. ... Egret roe deer, but to the impermanence, non-domesticated animals, due to want duck also land and water, like eating roe with herons. Number of nesting a few young birds, 爰 from where the egrets put, ... ... year is the result of no locusts.