Answer:
when mr. white rushes to make the final wish on the monkey's paw
"Suddenly, she cries out for the monkey's paw, demanding it from her husband. 'Go down and get it quickly, and wish our boy alive again.'"
He uses the fog to represent the unknown
Well, since you didn't include the excerpts, I cannot possibly know which ones you are referring to, but overall, Dickinson used iambic tetrameters and iambic trimeters in this poem.