29 
Leucin versus leucin. 
No. 
G. P. 
First injection. 
Interval. 
Second injection. 
Results. 
745 
0.02 gm. leucin in 
Days. 
17 
20 c. c. (0.2 gm. -b 
No symptoms. 
746 
watery solution, sub- 
cutaneously. 
0.02 gm. leucin in 
17 
50 c. c. ) watery solu- 
tion intraperitone- 
ally. 
6 c. c. ( 0.2 gm. -f 50 
No symptoms. 
747 
watery solution, sub- 
cutaneously. 
0.02 gm. leucin in 
17 
c, c. ) watery solu- 
tion intraperitone- 
ally. 
10 c. c. (0.2 gm. + 
No symptoms.. 
Contro 
watery solution, sub- 
cutaneously. 
il; 6 c. c. leucin (0.2 gm. 
-{- 50 c. ( 
50 c. c. ) watery solu- 
tion intraperitone- 
ally. 
3. ) watery solution, in- 
No symptoms. 
traperitoneally, into a fresh guinea pig 
K 
