Note 94 — Chapter V · EVOLUTION OF THE PRINCIPAL CONCEPTS.

Liard, La science positive et la métaphysique, p. 226. It should be remarked that the process by subtraction is met with even among uncivilised people, though very rarely. The plan of making numerals by subtraction, says Tylor (op. cit., I., p. 264), is known in North America, and is well shown in the Aino language of Yesso, where the words for 8 and 9 obviously mean “two from ten,” “one from ten.”