Pott, on the origin of speech, [240];
on language-roots, [267];
on names for thunder, [286];
on fundamental metaphor, [344]
Powers on the climate of California, [261]
Pre-concepts, [185-193], [218], [219], [227-230], [278], [384], [386]
Predicate, the, [305], [306], [423]
[Predication], [88], [89], [157], [162-164], [169], [171], [175], [227], [235-237], [294] et seq., [384], [386], [387], [422]
Prepositions not differentiated in early forms of speech, [295] et seq.
Preyer, on psychogenesis of the child, [26], [219], [221], [222];