33 
% 
YEAST. 
The manifestations of hypersusceptibility produced by the proteid 
extract from yeast cells are restlessness, scratching, irregular respira- 
tions; the guinea' pigs lie down and look sick; sometimes jerky move- 
ments are seen and, in one instance, convulsions. 
No. 
G. P. 
First injection. 
Interval, j 
1 
Second injection. 
Re.sult. 
755 
1 c. c. extract yeast 
Days. 
22 
6 c. c. extract yeast 
Very severe symp- 
754 
cells, subcutaneously, 
0.5 c. c. extract yeast 
22 
cells, intraperito- 
neally. 
6 c. c. extract yeast 
toms. 
Slight symj3toms. 
864 
cells, subcutaneously. 
0.1 c. c. extract yeast 
19 
cells, subcutane- 
ously. 
5 c. c. extract yeast 
Slight symptoms. 
803 
cells, subcutaneously. 
1 c. c. extract yeast 
27 
cells, subcutane- 
ously. 
6 c. c. extract yeast 
Mild symptoms. 
807 
cells, subcutaneously. 
... do 
27 
cells, intraperito- 
neally. 
do 
Mild symptoms. 
iVIarked symptoms. 
Dead, 2 hours 10 
minutes. 
Slight symptoms. 
804 
do - 
1 27 
do 
809 
.do 
' 27 
do 
802 
do 
27 
6 c. c. extract yeast 
805 
do 
27 
cells, subcutane- 
ously. 
do 
Slight symptoms. 
Marked symptoms. 
Very severe symp- 
toms. 
Xo symptoms. 
810 
do 
! 27 
do 
806 
..do 
27 
do 
815 
0.005 c. c. extract yeast 
27 
5 c. c. extract yeast 
814 
cells, subcutaneously. 
0.01 c. c. extract yeast 
27 
cells, subcutane- 
ously. 
do 
Slight symptoms. 
813 
cells, subcutaneously. 
0.02 c. c. extract yeast 
27 
do 
Mild symptoms. 
812 
cells, subcutaneously. 
0.1 c. c. extract yeast 
27 
.....do 
Severe symptoms. 
811 
cells, subcutaneously. 
0.5 c. c. extract yeast 
27 
do 
Very severe syjnp- 
801 
cells, subcutaneously. 
5 c. c. extract yeast 
27 
do 
toms. 
Mild symptoms. 
800 
cells, subcutaneously. 
10 c. c. extract yeast 
27 
do 
Very severe symp- 
cells, subcutaneously. 
toms. 
HAY BACILLUS. 
No. 
G. p. 
First injection. 
Interval. 
Second injection. 
Result. 
Days. 
7 c. c. extract sub- 
tilis, intraperito- 
neally. 
Slight symptoms. 
869 
1 c. c. extract subtilis, 
subcutaneously. 
14 
864 
10 c. c. extract subtilis, 
subcutaneously. 
25 
6 c. c. extract sub- 
tilis, intraperito- 
neally. 
Marked symptoms. 
3681 — Xo. 36 — 07 5 
