FREDERIC ATHERTONFUNERAL IN BOSTONBites Expected to B« Conducted Tomorrow for Prominent D. C. Social Figure.Private funeral services are expected to be held tomorrow in Boston for Frederic Atherton, 70, prominent social flfure and resident ofWashington for24 years, who died early yesterday of a heart attack at his home. 2412 Massachusetts avenue.Mr. Atherton was a native of Boston, where he was trustee for various funds for educational work.He formerly wrote extensively on financial sub- .... . _ . _ Frederic Athcrtaa,jects for Boston newspapers.Among the organizations he served as trustee was the Wentworth Institute of Boston, which aids in the education of youth.Mr. Atherton was a graduate of Phillips Andover Academy and Harvard University.Surviving are his widow, the Ellen Maud Tilton, and a brother, Lee Atherton, musician and composer, of Boston and Washington.t(