《南齐书·志·卷十八》
《诗传》说： 骝虞是义兽，白虎黑纹，不吃生物，至德之世就会出现。 
《诗传》云： 驺虞，义兽，白虎黑文，不食生物，至德则出。 
The "Shizhuan" says: The Piyu is a beast of righteousness. It has a white tiger with black stripes, and it does not eat living things. It will appear in a world of extreme virtue.