Oh! be warned! be warned! a horrible reptile is coiled up in your nation's bosom; the venemous creature is nursing at the tender breast of your youthful republic; for the love of God, tear away and fling from you the hideous monster, and let the weight of twenty millions crush and destory it forever!
I don't think Douglass was intentionally reallegorizing "Egotism," but his switching of the gender of the afflicted victim and the location/actions of the serpent sure puts Hawthorne's short story in a different light, doesn't it?