6 EVOLUTION IN THE PAST 



stegocephs, dinosaurs, plesiosaurs, toxodonts, amblypods, 

 and other animals of high organisation have come and 

 gone. 



The following pages are mainly occupied with an attempt 

 to give a sketch of life, founded on discoveries made in the 

 geological strata. The record is certainly defective, but 

 there is the consolation of knowing that we are face to face 

 with facts. 



