to look once more for evidence as to the nature and 

 <>tru< i u r i of the rocks below. The drawing in Fig. 87 B, 

 may be taken to represent the outline as so modified by 

 a visit to the ground On this tame drawing all the 

 geological data are inserted which are supposed to be 

 ily seen, either on the line traversed by the section 

 or in the immediate it a more extended 



examination of the district would no doubt supply many 

 data not obtainable on the precise course of section, and 

 permit the lines to be prolonged downward, and the 

 whole so lion to be filled in somewhat in the manner 

 shown in ( '. The section in Fig. 28 shows the stri. 

 of the country represented in the map, and illustrates 

 the application of many of the terms which I luvc made 



