ndition, 175; social
organization, 176-178; economic life, 178-180; writing, 181; science,
182; contribution to world progress, 184.

Parliament, rebukes King James I, 396; declaration of, 397.

Pasteur, Louis, 469, 470.

Peloponnesian War, 241.

People, the condition of, in France, 401.

Pericles, age of, 247.

Petrarch, 365, 366.

Philosophy, Ionian, 216; Eleatic, 220; sophist, 221; stoic, 225;
sceptic, 225; influence of Greek on civilization, 226, 228.

Phoenicians, the, become great navigators, 161; colonization by, 161.

Physical needs, efforts to satisfy, 82-85.

Picture writing, 126.

Pithecanthropus erectus, 29.

Plato, 222.

Political ideas, spread of, 486-488.

Political liberty in XVIII century. [Transcriber's note: no page number
in source]

Polygenesis, monogenesis, 66.

Popular government, expense of, 328, 414.

Power manufacture, 437.

Pre-historic human types, 63, 65, 66.

Pre-historic man, types of, 28,

Pre-historic time, 60-61.

Primitive man, social life of, 31, 32; brain capacity of, 29.

Progress and individual development, 23; and race development, 22;
influence of heredity on, 24; influence of environment on, 25; race
interactions and, 26; early cultural evidence of, 32; mutations in, 33;
data of, 34; increased by the implements used, 35; revival of,
throughout Europe, 348; and revival of learning, 372-373.

Progress, evidence of, 456.

Public opinion, 485.

Pueblo Indians, culture of, 194; social life, 195; secret societies,
196.

Pythagoras, 219.

Race and language, 124.

Races, cause of decline, 201, 202.

Racial characters, 70.

Recounting human progress, methods of 37-52; economic development,
39-40.

Reform measures in England, 415.

Reformation, the, character of, 375; events leading to, 376-380; causes
of, 380-382; far-reaching results of, 388-391.

Religion and social order, 113-116.

Religious toleration, growth of, 447.

Renaissance, the, 349, 370.

Republicanism, spread of, 425.

Research, foundations of, 472; educational process of, 479.

Revival of learning, 364.

River and glacial drift, 74.

Roebuck, John, the blast furnace, 436.

Roman civil organization, 258.

Roman empire, and its decline, 264.

Roman government, 258; law, 259; imperialism, 267.

Roman social life, 264.

Rome a dominant city, 257; development of government, 258.

Rome, political organization, 252; struggle for liberty, 243; social
conditions