RINDERPEST AS OBSERVED IN THE PHILIPPINES. 
291 
cies. It is essentially a bovine malady, though it may be com¬ 
municated to sheep, goats, deer, antelope, camel and other smaller 
animals. The period of incubation runs from three to ten days; 
by inoculation, two and a half to four days, varying owing to the 
virulency and quantity of the inoculating media; natural infec¬ 
tion usually requires from four to seven days. 
Symptoms .—There is at first a rise of temperature, which 
is above that brought on by labor, generally on the third or 
fourth day in the inoculation and the fifth or sixth day in nat¬ 
ural infection cases. In 1865 Professor Sanderson proved that 
No. 1. Flyproof operating room and force at San Lazero Hospital grounds for 
bleeding serum animals. 
in this period the blood of the infected animal was capable of 
producing the disease if inoculated into a susceptible animal; 
this was later confirmed by Koch, but the latter thought such an 
animal was incapable of communicating the disease to a healthy 
one until the visible symptoms developed. The temperature rises 
to 40° or 41 0 centigrade, somtimes even 42 0 , and there may or 
may not be any accompanying congestion of the conjunctiva, 
but it follows in all cases in from a few to twenty-four hours; 
the congestion is extreme, causing the conjunctiva to have a 
tumefaction; later tearing is evident, running downward over 
