A SOUTHERN GLACIAL EPOCH 227 



north of their home, a glacial period might be inferred, as 

 proved on astronomical and geological grounds, or something 

 to that effect. 



Yes, I do hope to live to work out the relations of the 

 Southern Temperate Flora. I do wish I could throw off 

 my official duties here ; I am getting so weary of them, 

 and Dyer does them so well ; but I could not nearly afford 

 it yet. 



