STUDIES IN GEOLOGY, No. i 



and west, but a consideration of this aspect is reserved until 

 it can be discussed in the light of the geology and floras of 

 the various localities in Bolivia where the authors made 

 field observations and collections. The maximum altitude 

 at which the fossil flora at Corocoro could exist is placed 

 at about 6500 feet. The accompanying table will furnish 

 such additional information as is pertinent to the present 

 discussion. 



