With this talk Mr. and Mrs. Quennell conclude their series on the everyday life of our ancestors. Next week will come the summing-up of the long story that they have told. tracing the development of man's customs and habits of life in England, from the arduous existence of the Stone Age, when early mankind was still struggling for its place on the earth, to the expanding civilization of the Later Renaissance, the age of Wren and Milton, Pepys and Vandyck, of which they will talk today.