Aegina > (Daughter of the river-god Asopus, and mother by Jupiter of Aeacus (Hyginus, Fabulae 52)) assayed > assaulted, assailed

3 A shepherd, when Mnemosyne he caught:

Mnemosyne > (Daughter of Uranus, and mother by Jupiter of the Muses)

4 And like a serpent to the Thracian maid.

the Thracian maid > (Proserpine, daughter of Jupiter and Ceres; later, the wife of Pluto. See Met. 6.110-114, where she is called "Deoida" after Deo (another name for Ceres))

5 While thus on earth great Jove these pageants played,

pageants > tableaux, scenes (cf. 305.1:2)

6 The winged boy did thrust into his throne 7 And, scoffing, thus to his mother said, 8 "Lo now, the heavens obey to me alone,

obey > are obedient

9 And take me for their Jove, while Jove to earth is gone."