“Come hither, O Apollo!” Forth went the god,

When there uprose a nevious curling cloud,

Great in circumference, and six fathoms up,

Bulg’d at its sides, in form like as a cup,

Less at its base; and round about the same

There spread an horizontal ardent flame,

So great the heat, that not a soul could dare

Approach within ten fathoms of the flare:

And on the rim of this most mystic vase—

One fathom high—a bluish flame arose,