154 LEIBNITZ AS A LIBRARIAN.

here outside comment, but the index to the book is a marvellous production compiled on a system almost scientific. Such is a brief record of only part of the life- work of one who, if he were living, would doubt- less mildly wonder at that diminished energy that lack of grasp so much in evidence in these days of over-specialisation in the world of affairs. ARCHIBALD L. CLARKE.