16 
Rabbit No. -4-— Blood drawn twenty-seven days after infection. 
General tuberculosis at autopsy. 
Whole heart’s blood on glycerin potato gave no growth of tubercle 
bacilli. Four c. c. whole heart’s blood into guinea pig No. 4A, 
weight 310 grams; killed fifty-nine days later, weight 480 grams; 
general tuberculosis at autopsy. 
Ten c. c. blood in citrate soda solution in ice chest twenty-four 
hours. No tubercle bacilli in sediment smears. Two and five-tenths 
c. c. sediment intraperitoneallv into guinea pig No. 4B, weight 300 
grams; killed fifty-eight days later, weight 475 grams; no evidence 
of tuberculosis at autopsy. No growth tubercle bacilli on glycerin 
potato in six weeks. 
Rabbit No. 5 . — Blood drawn twenty-seven days after infection. 
General tuberculosis at autopsy. 
Whole heart’s blood on glycerin potato gave growth of tubercle 
bacilli. Five c. c. whole heart’s blood into guinea pig No. 5 A, 
weight 320 grams; killed fifty-nine days later, weight 530 grams; 
general tuberculosis at autopsy. 
Ten c. c. blood in citrate soda solution in ice chest twenty-four 
hours. No tubercle bacilli in sediment smears. Three c. c. sediment 
into guinea pig No. 5B, weight 295 grams; killed fifty-eight days 
later, weight 290 grams; general tuberculosis at autopsy. Growth of 
tubercle bacilli on glycerin potato from sediment. 
Rabbit No. 6 . — Blood drawn twenty-seven davs after infection. 
General tuberculosis at autopsy. 
Whole heart’s blood on glycerin potato gave no growth of tubercle 
bacilli. Five c. c. whole heart's blood into guinea pig No. 6A, 
weight 305 grams; killed fifty-nine days later, weight 550 grams; no 
evidence of tuberculosis at autopsy. 
Ten c. c. blood in citrate soda solution in ice chest twenty-four 
hours. No tubercle bacilli in sediment smears. Two and five- 
tenths c. c. sediment intraperitoneallv in guinea pig No. 6B, weight 
310 grams; killed fifty-eight days later, weight 480 grams; general 
tuberculosis. No growth of tubercle bacilli from sediment on 
glycerin potato. 
Rabbit No. 7 . — Blood drawn twenty-seven days after infection. 
General tuberculosis at autopsy. 
Whole heart’s blood on glycerin potato gave growth of tubercle 
bacilli. Four c. c. whole heart’s blood into guinea pig No. 7 A, 
weight 315 grams; died fifty-seven days later, weight 420 grams; 
general tuberculosis at autopsy. 
Ten c. c. blood in citrate soda solution in ice chest twentv-four 
hours. No tubercle bacilli in sediment smears. Two and five-tenths 
c. c. sediment intraperitoneally into guinea pig No. 7B, weight 300 
grams; died fifty-seven days later, weight 310 grams; general tuber- 
