It scared the daylights out of us!

[…] as it is evident the poet alludes to a trout that has caught sight of the angler, and safe he is, at least pro tem., as our pupils who first frighten the fish by walking down a poolside, and then fish up it, will find to their cost.

a heap of earth; a heap of stones

The two Pyramides in the middest whereof one was lately pulled downe by some that hoped, though in vaine, to finde treasure, did almost touch one another: the uttermore stand not farre off, yet almost in equall distance from these on both sides