Where did Life Begin? '^2i 



more, that the eastern coasts of all the con- 

 tinents have a southwestern trend, are full 

 of bays, inlets, and shoal water, as though 

 the floor of the ocean was being constantly 

 swept up against them; while the western 

 coasts are more abrupt, straight, and touch 

 deeper water, as though the sweepings from 

 the land were being constantly rolled into 

 the sea along their entire lines. 



Notwithstanding all these indications of 

 a southern or southwestern movement, ever 

 since the migration of plants and animals first 

 attracted attention, students of natural science, 

 careful and conscientious observers, able and 

 discriminating investigators have, almost with 

 one accord, been looking east and west across 

 these great north and south corrugations and 

 natural barriers for the paths of their journey- 

 ings, searching along every parallel of lati- 

 tude, across lofty mountain ranges, broad con- 

 tinents, deep and wide oceans, and ocean 

 currents, to and fro, and if perchance they 

 looked north or south it was only in search 

 of some ferry or ford south of the ice-fields 

 by which to pass the flora and fauna from one 

 3 



