by
bertrand russell
m.a., f.r.s.
lecturer and late fellow of trinity college
cambridge
new york
henry holt and company
london
williams and norgate
1912
the home university library
of modern knowledge
no. 35
editors:
HERBERT FISHER, M.A., F.B.A.
Prof. GILBERT MURRAY, Litt.D, L.L.D., F.B.A.
Prof. J. ARTHUR THOMSON, M.A.
Prof. WILLIAM T. BREWSTER, M.A.