[3] Consumers' goods may be regarded in the two distinct ways in which it is necessary to regard capital goods. We may look at particular articles for consumption, as they begin their careers by ministering to their owners' needs, and follow them as they wear out and finally perish. This gives a conception of them which is analogous to the conception of capital goods rather than to that of capital. On the other hand, we may look at the permanent stock of usable articles, which is maintained by the constant coming of new ones to replace those which are worn out, and in this way we get a conception of _permanent consumers' wealth_. The flow of finished goods from the shops to the users offsetting the concurrent destruction of such articles in the users' hands, has the effect of maintaining a permanent fund of consumers' wealth consisting of perishable goods the identity of which is always changing; and this fund is analogous to permanent capital as we have defined it. Professor C. A. Tuttle has advocated the use of the generic term _wealth_ to denote the two continuing funds which we have here termed, on the one hand, capital, and, on the other hand, the permanent stock of consumers' wealth. We have preferred to use the term _wealth_ in a sense that is generic enough to include both capital and capital goods, and both the permanent stock of consumers' goods and the particular articles that, in turn, compose it. Wealth consists of effectively useful concrete things regarded either as particular articles that can be identified and watched till they perish in the using, or as an abiding stock of articles of this genus, each one of which has in itself only a transient existence. See an article on "The Wealth Concept," by Professor Charles A. Tuttle, in the _Annals of the American Academy of Political and Social Science_, for April, 1891, and other articles by the same author.