Page:Popular Science Monthly Volume 2.djvu/256

242 by Mr. Spencer in 1859 he thus states them:

In this statement of the missing elements of history, Mr. Spencer has outlined just that body of facts which are indispensable as the foundation of a valid social philosophy; and he foresaw that, before any such philosophy can be constructed, these facts must be systematically and exhaustively supplied. The labor of their careful collection could not fail to be enormous, and its expense, together with their