258 



OEIENTAL PLAGUE 



CHAP. 



Babbits Nos. 7 and 8. 



These two animals, as mentioned on p. 227, were injected sub- 

 cutaneously with 20 cc. of the filtrate of Haffkine's prophylactic on 

 three separate occasions. 



First subcutaneous injection of 20 cc. of the nitrate on Septem- 

 ber 10 :— 



Second injection with 20 cc. of the nitrate 



It appears from this series that the first injection of 20 cc. of 

 the filtrate did not cause any but an insignificant rise of the body 

 temperature (1° F. in rabbit No. 7, 0*3° F. in rabbit No. 8), a 

 rise so small as to be well within the limits of natural fluctuation. 

 The second injection of 20 cc. of the filtrate appears to have been 



