The Action of. " Peptone " on Blood and Immunity thereto. 369 



Experiment No. 1— Pithed cat. Peptone injected into right jugular. 



J 



5 40 45 W 25 30 35 40 4-5 50 SJ 60 

 Time> of observation, minutes 



Note.— The clot at 47' was very loose. From 60' onwards the heart was 

 weak. 



Experiment No. 2.— Pithed cat. Aorta ligatured. 



20 2-J 



30 35 



40 



4-5 



Time of ob&ervcUiorv , minutes. 



Note.— At 30' and 41', the blood was not completely clotted after 1 hour 

 50 minutes. Post mortem examination showed in this and in other experi- 

 ments the ligatures intact. 



VOL. XCIII. — B. 



