25 JANUARY 1890, Page 43

Modern Views of Electricity. By 0. J. Lodge. (Macmillan.)— Professor

Lodge discusses, without the aid of mathematics, the attitude assumed by the philosophers of to-day towards elec- tricity. It is certainly a very readable book, and need not, owing to the absence of technical expressions, distress elementary students. Professor Lodge, we see, is not afraid of using dia- grams, and evidently does not believe that graphic representa- tions of invisible powers are reprehensible, or liable to lead students astray. They are certainly too useful to be altogether eliminated.