38 THE AMERICAN MUSEUM JOURNAL 
it was pure pleasure. It was a wonder- The hard work on the unknown river 
ful trip. The pass through which we came during the first six weeks. In 
crossed was like the Yosemite, with snow- those forty-two days we made only an 
capped volcanic moun- 
tains all about. After- 
ward we went across 
Patagonia by automobile 
and then started up the 
Paraguay. Our work did 
not begin until we were 
inside the Tropic of Cap- 
ricorn. We took mules at 
Tapirapoan and went up 
through the high central 
plateau of Brazil — nota 
fertile country but I have 
no question but that 
great industrial commu- 
nities will grow up there. 
Photo by Miller 
‘‘T shall never forget the spectacle in certain places on the Un- 
known River where great azure blue butterflies flew about up and 
down through the sunshine of the glade or over the river’’ or settled 
in gleaming masses on the bank 
Photo by Kermit Roosevelt 
Courtesy of Charles Scribner's Son 
We were little troubled by mosquitoes in the level marshy region of western Brazil. For the man 
who goes through the unexplored jungle however, the real dangers lie in a menace of insects — mos- 
quitoes, gnats, ticks and fire ants — and the fevers that insects cause, instead of in cayman, anaconda 
or fer-de-lance, or even in the jaguar as might be supposed 
