Byron, in “Childe Harold,” Canto IV., thus alludes to Egeria and her grotto:
“Here didst thou dwell, in this enchanted cover,
Egeria! all thy heavenly bosom beating
For the far footsteps of thy mortal lover;
The purple midnight veiled that mystic meeting
With her most starry canopy;” etc.
Tennyson, also, in his “Palace of Art,” gives us a glimpse of the royal lover expecting the interview:
“Holding one hand against his ear,
To list a footfall ere he saw
The wood-nymph, stayed the Tuscan king to hear