Complex sentence: Boylston, Anthea, in Definite evidence of fractured bones was found in ten skeletons, and evidence of possible fractures was found in three other cases, the bones affected mainly being the long bones of the limbs and bones of the hands and feet.
Split into simpler sentences: Boylston, Anthea, in Definite evidence of fractured bones was found in ten skeletons, and evidence of possible fractures was found in three other cases. The bones affected were mainly the long bones of the limbs and bones of the hands and feet.