SMITHSONIAN INSTITUTION 
UNITED STATES NATIONAL MUSEUM 
WASHINGTON, D. C. 
OFFICE OF 
ADMIMISTRATtVE ASSISTANT TO THE SECRETARY 
IN CHARGE U. S. NATIONAL MUSEUM 
April 24, 1924. 
Dr. Waldo L. Schiiiitt, 
CuratoT' of Marino Invertebrates, 
U. S, National Museum, 
Dear Sir: 
In compliance with request contained in your letter of April 21, and 
the recommendation of the Head Curator of Biology, you are hereby granted a 
detail for a period of two months, commencing July 15, for the purpose of study- 
ing the Crustacea of the Tortugas region imder the auspices of the Carnegie In- 
stitution, 
It is understood that the Museum will be placed to no expense in con- 
nection with this detail except for your salary, and I will ask you to so arrange 
the leaves in your division that there will be no interference with the work. 
