TERRESTRIAL REFRACTION AND MIRAGE. 983 
curious cases of looming that I have ever heard of. In another instance 
(Fig. 15) the hulls of the two images were joined; there was no sea 
Fie. 15. 
image between them. 
In another remarkable case he saw a ship (Fig. 16) with its hull 
Fie. 16. 
below the horizon, and above it fragments of the sails which were con- 
