CAGE BIRDS AND THEIR DISEASES. 421 
a “thinning ” of the voice and occasional sneezing. When the sneezing 
comes on in the morning and continues during the day, the lungs have 
become involved, and eventually a puffed appearance will be manifest in 
the chest, as represented in the accompanying cut. The treatment consists 
220, CANARY WITH CONSUMPTION OF THE CHEST. 
in keeping the atmosphere very moist, and at a temperature of from 66° 
to 72° Fahrenheit (for which purpose a stove with fire can be placed in the 
room with a vessel of water on it). When the coughing or sneezing be- 
comes continuous, the disease has progressed too far for treatment. A con- 
sumptive bird should never be used for breeding purposes. 
WORMS IN THE WINDPIPE. 
Many birds are killed by worms in the windpipe when their owners 
are at a complete loss asto the cause. A very destructive parasite finds its 
way to the throat, locates under the glottis and lives on the blood that it 
extracts. The wound which it makes begins to swell, and the bird is thus 
deprived of breath. Parrots, fancy chickens and singing birds are especially 
liable to such attacks. At first the bird shows signs of general impairment 
of health; a cough sets in and grows worse; the bird throws its head 
from side to side as if trying to expel something from the throat; finally 
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