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Mr. Prank Edward Johnson, an American artist who has spent 
several years studying the scenery and people of northern 
Africa, expects to return on the 6th of February direct to 
Tunis, where he will spend the coming year investigating 
the old Roman and pre -historic ruins of that country, giv- 
ing special attention to the Troglodytes and their agricul- 
ture. Mr. Johnson employs a special photographer and is 
much interested in gathering any information of living plant 
material, or in having any photographs made which will "be of 
interest to any of the investigators of the Department who 
are studying the agricultural conditions of northern Africa. 
His permanent address is c/o The Dresdner Bank, Dresden, 
Germany, His home is at Norwich, Connecticut. 
Mr. W. D. Jones, of the University of Chicago, called at this 
Office on his way to the Argentine, where he is to he employed 
as one of the assistant geologists in the Argentine Government 
Survey along the 41st parallel, which expedition is under the 
directorship of Prof. Bailey Willis. Three parties will work 
across the country in parallel lines, covering a strip from 50 
to 75 miles wide along the line of the new government railroad 
running from San Antonio Oeste on the coast to Piramides in 
the foothills of the Andes. The party expects to he gone 
about two years, and both Dr. Willis and Mr. Jones have as- 
sured us of their heartiest cooperation in securing any ma- 
terial we may wish from this semi-arid, nearly unexplored 
region. Memoranda of some of our wants have been placed in 
their hands, and additional notes will be forwarded to them 
from time to time. 
