224 
THE CONDOR 
Vol. XV 
feet high, were constructed for holding the birds at these various places (sec 
figs. 73, 74). The necessary food, shade and water were given according to the 
test to he performed. Operations were begun on September 25, 1913, and con- 
tinued until the 8th of the following month. 
Two dozen Spoonbill ducks were shipped down from the State Game Farm 
at Hayward, these birds being used as subjects and controls in the work. The 
following experiments and results were obtained. 
( I ) September 25 to October 7, 1913. Several dozen sick ducks were 
lirought to station A, and put in cages containing fresh water and good food. 
Over ninety percent recovered completely. 
{ 2 ) September 26, 1913. Three sick ducks were taken from the lake, placed 
in a cage on the edge of lake, and given good water and food. All three recov- 
ered completely. 
(3) September 25, 1913. Two Spoonbill ducks from the State Game Farm 
Eig. 7.S. The Writer of the present articee making a microscopic 
EXAMINATION OF THE BEOOD OF A SPRIG 
were placed in a cage at station A, and given food, but unlioiled lake water only to 
drink. Toth died in less than four days with symptoms similar to those found 
dead on the lake. The experiment was repeated with like results. 
(4) September 26, 1923. Two vSpoonbll ducks from the State Game Farm 
rvere ]ilaced in a cage at station A and given food, and boiled lake water only, the 
w^ater being boiled for one hour. Both died in less than four days, with symptoms 
similar to those found on the lake. The experiment was repeated with like re- 
sults. 
(5) September 25, 1913. Four Spoonbill ducks from the State Game Farm 
were placed in a cage at station A and kept on good food and good wmter. These 
were kept as controls. All remained healthy. 
(6) September 27, 1913. Tw'O normal birds kept at station A were injected 
