Radical relationship of languages, [176].
Radicals. See [Roots].
Rask, Erasmus, his studies of Zend, [167], [206].
Raven, the word, [362].
Raynouard, his labors in comparative grammar, [171].
criticisms of his theory of the Langue Romane, [171].
Realism and Nominalism, controversy between, in the Middle Ages, [22].
Regeneration, dialectical, one of the processes which comprise the growth of language, [58].
Respectable, origin of the word, [256].
Reval dialect of Esthonian, [318].