354 PROTEIN POISONS 



Per cent, of mortality: 



In adults: In young: 



Intervals. Stomach. Rectum. Stomach. Rectum. 



Every day ... 100 100 



Every three days . 100 100 100 



Every seven days . 50 50 33 33 



Every ten days .50 33 33 



Every fifteen days 50 33 33 



From the above test, 24 animals, 20 adults and 4 young 

 survived. After a rest of from twenty to forty-four days 

 each of these received rectal injections, every seven days 

 of from 3.3 to 9.6 c.c. of egg-white. 



Per cent, of mortality. 



Interval in first series. Method of administration in first series. 

 Stomach. Rectum. 



Every day 66 



Every three days ... 66 adults 



Every seven days . . . f50 adults 75 adults 



\50 young 100 young 



Every ten days ... 50 



Every fifteen days . . 



From the second ordeal, 13 animals, 12 adults and 1 

 young, survived. After a rest of from seventeen to forty 

 days these received every seven days rectal injections of 

 from 5.2 to 8.9 c.c. of egg-white, with the following results: 



Per cent, of mortality. 



Intervals in first series. Method of administration in first series. 

 Stomach Rectum. 



Every day 50 



Every three days ... 100 



Every seven days / 50 adults 100 



\100 young 



Every ten days ... 100 100 



Every fifteen days . . 100 



From this test, 4 animals, all adults, survived. After 

 a rest of from twenty-four to forty-five days these received 

 every seven days from 4.6 to 7.5 c.c. of egg-white. Three 

 died. 



It appears from the experiments of Uhlenhuth and Nobe- 

 court that egg-white is absorbed, at least in some instances, 

 unchanged from the stomach and intestines of rabbits. 



