A sermon preached at the house of Dr. Calvin Martin, in Seekonk, February 9th, 1821, on occasion of the death of three of his children : Viz. Susan, who died January 18, 1821, aged 25 years : Angelina, who died January 31st, 1821, aged 18 years : and Elisha May, who died February 7th, 1821, aged 11 years.