Genesis 3:14,15
And the LORD God said to the serpent, Because you have done this, you are cursed above all cattle, and above every beast of the field; on your belly shall you go, and dust shall you eat all the days of your life:
Nave's Topical Index—AKJV

Genesis 49:17
Dan shall be a serpent by the way, an adder in the path, that bites the horse heels, so that his rider shall fall backward.
Nave's Topical Index—AKJV