(Cf. Buddhism, Christianity, etc.)
Religious developments under the Roman Empire, 208 et seq.
Religious wars, 270, 304, 313. (Cf. Crusades)
Reptiles, the age of, 26 et seq.; mental life of, 38
Reproduction, 17 et seq.
Republic, Plato’s, 142
Republic, the Assimilative, 187
Republics, 187 et seq., 236, 308, 324, 328, 340, 343, 344, 416, 433, 434, 435
Republicans, the first, 131
Retreat of the Ten Thousand, 150
Revolution, 342 et seq., 349 et seq., 390, 404, 416, 435
Rhine,