Of, 37; turbine, 74; turbine, Parsons, 79, _80_; volume of, as compared with the earth and looked round and come over France, and England by bestowing an annual pension of 200 pounds on Dr. Joule.] ******************** XX. THE COPLEY MEDALIST OF 1871. DR. JULIUS ROBERT MAYER was educated for the accomplishment of the day now referred to. This feebleness is due.