IWJDSmAfXOIS. 
Plate 1. 
Pig. 1. (16226). 
r Jm -tx-— ju, mm Miim ml Mk iju. '^. .Mm ■“*- — -*■• ,*4L 
view across marshes ana 
in* 
id flats at 
the mouth of Bear River* near the northern end of Great 
Salt lake* Utah. 
Fig* 2. (17153) • Wild ducks helpless with the duck sickness 
(photo taken near a field laboratory at the mouth of Bear 
River). Many of these birds recovered in a few days and 
were released after numbered bands had been placed on one 
leg. 
Plate 11* Fig. 1. (B1366M). Green-winged Seal (female at left* male 
at right). 336 of these ducks were banded, 49 of which 
were reported subsequently. 
Fig. 2. (B1369M). Bintail (female at left, male at right). 
Of 221 pintails released with bands report was received 
i 
on 34* 
/ 
