rier repeatedly delivered before the students of his University. He praises in the introduction Hegel and Zeller as the historians of philosophy who made the first successful attempt 'to grasp the inner soul rather than the external environment of bygone speculations, and to trace the logical concatenation of systems.' . . . The lectures are distinguished by abundant originality of conception, by clearness and thoroughness of exposition, and by the skill with which, entering into his hearers' standpoint and power of apprehension, they succeed in smoothing their road to the understanding of philosophy and its history. Pre-eminently directed to this end is a copious introduction on the essence and conception of philosophy. In this respect they may well be recommended to many of our historians, and to all who have to deliver lectures on the history of philosophy, as models worthy of careful study."
