YO 
HAROLD’S DISCUSSIONS. 
the fossil bones of a man, and caused much sensation 
among scientists, but it proved to be a mistake. The 
world was not jet readj for man. Other and higher 
forms of animal life were to come into existence and 
pass out before the highest of creation could take his 
place on our planet. 
Fig. 40.—An ammonite of the Fig. 41.—A Tertiary oyster, 
reptilian age. 
The earth was growing old fast. Her great wrin¬ 
kles in both the Appalachian and Rockj Mountain 
regions became more prominent, and the floor of the 
adjoining oceans probably sank lower, while the great , 
Midland gulf that cut this continent in two from 
north to south was itself divided by a rise of land 
across the northern boundary of the United States. 
The slopes were getting themselves out of the sea to 
prepare for the green covering of seed-bearing herbs. 
There were no beautiful flowers, and, of course, Na¬ 
ture would never make the mistake to create butter- 
