nor bright, nor sombre wholly, But mingled up; a gleaming melancholy; A dusky empire and its diadems; One faint eternal eventide of gems. A vein of gold sparkling with jewels serves him for path, and leads him through twilight vaults and passages to a ridge that towers over many waterfalls: and the lustre of a pendant diamond guides him further till he reaches a temple of Diana. What imaginative youth but has known his passive day-dreams haunted by visions, mysteriously impressive and alluring, of natural and architectural marvels, huge sculptured caverns and glimmering palace-halls in endless vista? To such imaginings, fed by his readings and dreamings on Memphis, and Nineveh, and Babylon, Keats in this book lets himself go without a check. Now we find ourselves in a temple, described as complete and true to sacred custom, with an image of Diana; and in a trice either we have passed, or the temple itself has dissolved, into a structure which by its 'abysmal depths of awe,' its gloomy splendours and intricacies of aisle and vault and corridor, its dimly gorgeous and most un-Grecian magnificence, reminds us of nothing so much as of Vathek and the halls of Eblis or some of the magical subterranean palaces of the _Arabian Nights_. (Beckford's _Vathek_ and the _Thousand and One Nights_ were both among Keats's familiar reading.) Endymion is miserable there, and appeals to Diana to restore him to the pleasant light of earth. Thereupon the marble floor breaks up beneath and before his footsteps into a flowery sward. Endymion walks on to the sound of a soft music which only intensifies his yearnings: is led by a light through the alleys of a myrtle grove; and comes to an embowered chamber where Adonis lies asleep among little ministering Loves, with Cupid himself, lute in hand, for their chief.