It's all very well--but where did that consciousness come from?
And what is it?
And where did they come from?
And most of all, why haven't they overrun the world before this?
"Such development as theirs, such an evolution, presupposes aeons of time--long as it took us to drag up from the lizards.

What have they been doing--why haven't they been ready to strike--if Ventnor's right--at humanity until now ?" "I don't know," I answered, helplessly.

"But evolution is not the slow, plodding process that Darwin thought.

There seem to be explosions--nature will create a new form almost in a night.

Then comes the long ages of development and adjustment, and suddenly another new race appears.
"It might be so of these--some extraordinary conditions that shaped them.