Eight similes of illusion

The eight similes of illusion (wyl. sgyu ma'i dpe brgyad) are (in the order in which they appear in Longchenpa's Finding Comfort and Ease in the Illusoriness of Things):

1. dream,
   
2. magical illusion,
   
3. hallucination, or trompe-l'oeil
   
4. mirage,
   
5. reflection of the moon in water,
   
6. echo,
   
7. city of gandharvas,
   
8. reflection,
   
9. apparition.