Chapter 7

It must be remembered that Pengelly and Sir Charles Lyell were those who startled English minds with the revelation of the enormous period of time in which man had lived on the earth, and of the slow progression of man through vast ages in the development of civilization. How that he began with the rudest flint implements, and progressed but very slowly to the perfection of these stone tools; how that only in comparatively recent times did he discover the use of metals and pottery; how of metals he first employed b…