544 DISEASE IN WILD MAMMALS AND BIRDS 
infected specimens or the segregation of suspected ones 
that our collection is kept clear of disease. 
Hygiene of a general character must be maintained 
also. Our quarantine rooms are disinfected by formalde- 
hyde and mechanical cleansing after every case detected 
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Chart U. CAMPBELL'S MONKEY (Cercopithecus campbelli). Non-tuberculoua. 
(See page 533;. 
as tuberculosis, and painted every two years. Monkeys 
associated with infected ones, are retested and then given 
a bath of carbolized water before being put on exhibition. 
The exhibition house is mechanically and chemically dis- 
infected at the injection time each two years. All keepers 
are examined for tuberculosis upon beginning their em- 
ployment and those handling monkeys, periodically there- 
after. When a case of tuberculosis dies, all animals in 
