Migration Beoord® frora Duoks aad other Birds lauded In th© # 
Salt Lais© Valley, Utah. 
Alexander WfttMMi 
ukbumkkxok. 
Brora 1914 to 1916 during ttswr summer ami fall the writer was co¬ 
upled in flold work in connection with studies by the Biological Survey, 
U» 3. Dexaareraeat of Agrloultur© into the cause of a siaimess anoi^j water™ 
foifl pr©valent in the marshes surrounding Great Salt Lake, Utah. In the 
coarse of these investigations means were found for oaring individual 
Birds of their malady and many aaoh were set at liber ty^ wfoen reoovere^ j 
A 
after aa aluminum Band had Been placed on on© leg* in addition opportunity 
offered to oapture and mark a number of young birds of several species in 
a similar manner* She release of these banded birds ms given publicity 
through the press and many returns have oota© from them* ©ae information 
thus available on the migratory raovassents of these birds is presented 
hBtmfith tot 0 Oxwid#vatlOft* 
is=saei individuals of twenty-three species of birds of various 
families were marked, but the majority of the 1241 bands used were placed 
on wild ducks belonging to nine species. All of the birds mmed were of 
large 
CT 2hQ bands used were made of aluminum and were of two kinds, both 
manufactured originally for use in marking poultry. In eaoh style a serial 
number was stamped on one side. In one the opposite faoe was marked ".fotify 
U. 3. Dept. Ag£. Wash. B. 0.," in the second the reverse was inscribed 
"Hotify Biologioal Survey, Washington, P. S.*• Bands that were returned 
