returned to the State Arsenal. At Cheyenne, we found the main party 

 awaiting us; they had continued their amiable meander over the face of 

 Colorado and had accomplished little in the way of work, but they were 

 not to be criticised on that account, for hardly any opportunity had been 

 given them. The botanists, McCosh and Greene, had made a good 

 collection of plants and the photographers, Devereux and Butler, had 

 done wonders in view of the difficulties in using the cumbrous, old wet- 

 plate process. The convenient dry plate was not then in use. 



I 



[703 



