,8,,. THE PERMANENCE OF CONTINENTS. 745. 



back beyond the beginning of Tertiary times, and are no guide 

 whatever to the geography of Palaeozoic times. Geologists must 

 claim a free hand to draw conclusions from the geological evidence 

 as regards Pre-tertiary epochs untrammelled by any inferences 

 derived from the distribution of modern animals. 



On the subject of oceanic islands I shall have something to say- 

 elsewhere. 



A. J. Jukes-Browne. 



