Which poem by Swinburne opens with the line, "When the hounds of spring are on winter’s traces"?

Explanation

The line "When the hounds of spring are on winter’s traces" is from Swinburne's play-poem 'Atalanta in Calydon'. Other works by Swinburne include 'Chastelard', 'A Song of Italy', and 'Songs Before Sunrise', but this particular opening belongs to 'Atalanta in Calydon'.