156. There are other topics which might be brought under the struggle for existence as a cluster of folkways, with great advantage. The struggle for existence takes on many different forms and produces phenomena which are cases of folkways. It speedily develops industrial organization, which, in one point of view, is only the interaction of folkways. Weights and measures, the measurement of time, the communication of intelligence, and trade are primary folkways in their earliest forms and deserve careful study as such.

[165] Smyth, Aborig. of Victoria, I, 194, 197.

[166] Mason, Origin of Invention, 252.

[167] Tylor, Anthrop., 208.

[168] Powers, California Indians, 50.

[169] Lumholtz, Scribner's, October, 1894, 448.

[170] Von den Steinen, Berl. Mus., 1888, 205.

[171] Southey, Brazil, I, 131.

[172] E.g. a rasp made from the skin of the palate of a kind of ray, by Tahitians, Vienna Museum.

[173] Mason, Origin of Invention, 23.