63 
Yellow Fever Produced by the Inoculation of Blood Serum. 
Bonifacio Orea (case LXV),aged 33, single; born in the mountains 
near Puebla; said that he had never been on the coast and never had 
any sickness of any kind. He was physically sound on examination; 
blood and urine negative. 
He was brought to Vera Cruz August 28 and kept in a mosquito- 
proof room under observation for eighteen days. 
Case. 
D ~ Experimental Yellow Fever. 
Bonifacio Orea , , 
INTRAVENOUS INJECTION. 
Month. 
SEPTEMBER. 
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/S 
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Temperature chart of Bonifacio Orea. 
On September 15, at 4 p. m., he was given an intravenous injection 
into one of his arm veins of 5 cc. of Marcos Cruz’s diluted serum fil¬ 
tered through a Chamberland B bougie. As the serum had been 
diluted with an equal quantity of physiological salt solution Orea 
