tion of illustrations and maps and engaged in writing 'reports. 
In 1878 the Survey sent a second expedition into the 
Yellowstone region, set aside in 1872 as a national Park. The 
park was reached by pack train from Cheyenne, Wyoming, the region 
traversed being of great interest. On the way a stop of one 
day was made in Wyoming to permit observation of the total eclipse 
of the sun and drawings in color were made of the corona. Several 
months were spent in the Park and Holmes 1 report is included in 
the Annual Report of the Survey for 1878. The report describes 
I 
inconsiderable detail with numerous illustrations of the exceed- 
ingly interesting geological features of the Park, including the 
fossil forests and the glacial phenomena of the region. He re- 
ported also on the occurrence of Indian implements made of obsidian, 
or volcanic glass, which material abounds in the Park. Hue to 
the important part taken by him in the explorations of the year, 
he was later honored by Director Hayden of the Survey,' by having 
his name attached to one of the prominent mountain peaks in the 
Park . 
A year, July 1879 - July 1880, was spent in Fur ope. 
The winter months were devoted to art studies in Munich where he 
was associated with the American art colony, of which Frank Duveneck 
of Cincinnati was the outstanding personality, and this ?/as supple- 
<tr ***’ 
mented in the spring by sketching trips to Rome, Venice, Ha pies 
and other Italian cities, and studies in the great Museums and 
Call er i es . 
The old survey, the U. S. Geological and Geographical 
