UNITED STATES NATIONAL MUSEUM 
BUREAU OF AMERICAN ETHNOLOGY 
ASTROPHYSICAL OBSERVATORY 
NATIONAL ZOOLOGICAL PARK 
ALL CORRESPONDENCE 
SHOULD BE ADDRESSED 
TO THE SECRETARY 
SMTTHSOKIA^^ IXSTITITTIOK 
n ns. A. 
NATIONAL GALLERY OF ART 
FREER GALLERY OF ART 
INTERNATIONAL EXCHANGES 
INTERNATIONAL CATALOGUE OF 
SCIENTIFIC LITERATURE 
Decernoer 
'To I-riends and Gorrespondents 
of the -raiuiisonian Institution. 
ChiTlitt , 
The bea.rer of this letter, hr. 
Curator of Marine Invertebrates 
^Mldo L* 
on the staff 
of the U. S. rational Iluseum, is ena:aged in scientific 
— o 
ex'oloration and the collection of specimens for the 
U. S. rational Huseirr. Any courtesies or facilities 
iVilich may be extended to him in connection v/ith his 
T/ork will be very greatly appreciated by the Smithson- 
ian Institution. 
