34 CHARLES DARWIN. 



Archibald Geikie " almost at the top of the long list 

 of English contributions to the history of the Ice 

 Age." 



At this time, too, he was reflecting and collecting 

 evidence for the great work of his life. Thus in 

 January, 1841, he writes to his cousin, Darwin Fox, 

 asking for " all kinds of facts about * Varieties and 

 Species.' " 



