4i8 



MY LIFE [Chap. XXXIIIa] 



embraced in it, from the simplest to the most complex. He 

 usually set fifteen to sixteen questions, in both the Elementary 

 and Advanced stages, only eight of which were to be answered ; 

 and they always comprised a considerable portion of the 

 whole field embraced in the study. I feel sure that the 

 questions set by him during any four or five years of the period 

 named, would serve as an admirable guide to a student who 

 wished to make himself master of the fascinating study of 

 earth-knowledge or physiography." 



