Part 52

---- the laboratory is the forecourt to, CLI

---- political, XLIV

Physiology, its interest in human life, LXXVIII

---- compared to the Atlantic, CIV

---- applied to Political Economy, CCLIX, CCLX

Picture Gallery of Life, LXXX

"Pig philosophy," CCCLXXXI

Pigs, "selected" by the paint-root, CLXXXVIII

Plants, green, the real producers, CCLXIII, CCLXIV

Plato and the unscientific imagination, CXLIX

Pleasure of middle age, the chief, CCCXXXIX

Political philosophy, XLIV

---- economists, their method, CCCLXXXI

Politicians, intellect of, CCCLXXXIII

Politics, the sea of, XL

---- proper name for Social Science, CCCLXXXI

Popular Lectures and Popular Science, CLXXXVI

---- dangers of, CLXXXVII

Population question, XLV

Positivism (cf. Comte), XI, CXLIV

"Possession" and genius, CXXXIV

Practical work, educative value of, CCCLXXIV

Prehistoric architecture, CLXXXIV

Present day formation of chalk, CXCI; of rocks, CCI

Priestley, LXXIII, LXXV

Priests and scientific method, CCCLXXX

Primary education, CCXIII

Principles, great, can be illustrated by the commonest facts, CXXIV