A Study of the B. coli Grotq)- 
349 
No. 71, B, coli comtminis, etc. It was found that the group effect with the 
A4 antiserum was limited to these types, i. e. to sub-group A ; for example 
with representatives of this sub-group over fifteen doses of complement were 
Table XXV. 
Antiserum 
to 8train 1, 
A4(5. 
Griinthal). 
Bacillary 
emulsion. 
Doses of complement. 
Complement deviated by 
emulsion alone. 
0-025 c.c. 
0-01 „ 
0-005 „ 
0-001 „ 
^ 0-4 C.C. ^ 
[strain 2, A4, 
1 lactose + , ■^ 
J indol + [ 
2 D. 
0 
0 
0 
Trace 
5 D. 
0 
0 
Dist. 
10 D. 
0 
Trace 
V. mkd. 
Al. Com. 
15 D. 
0 
Dist. 
Com. 
20 D. 
0 
Al. com. 
2 D. 
Mkd. 
5 D. 
Com. 
7 D. 
0-025 „ 
001 „ 
0*005 „ 
0-001 „ 
0-4 c.c. r 
Strain A 12, 
lactose — , 1 
r adonite — , \ 
inosite — , 
) indol + 1 
0 
0 
0 
Trace 
0 
0 
Trace 
Dist. 
0 
0 
Al. com. 
Al. com. 
0 
Dist. 
Com. 
0 
V. mkd. 
Mkd. 
Com. 
- 
0-025 „ 
001 
00U5 „ 
0-001 „ 
^ 0-4 c.c. / 
Strain A19, 
lactose + 
after mu- 
tation, 
adonite — , 
inosite — , 
indol + 
0 
0 
0 
0 
0 
0 
0 
Dist. 
0 
0 
V. mkd. 
0 
Trace 
iVlKQ. 
Com. 
0 
Mkd. 
Com 
— 
Mkd. 
Com. 
0025 „ 
001 „ 
0005 „ 
0-001 „ 
N 0-4 c.c. 
Strain A 15, 1 
lactose +, 1 
r adonite + , '\ 
inosite — , 
1 indol + ( 
0 
I 
0 
0 
0 
0 
Trace 
0 
0 
Dist. 
Com. 
0 
0 
Com. 
0 
Trace 
Mkd. 
Com. 
0-025 „ 
0-01 
0005 „ 
0001 „ 
. 0-4 c.c. / 
Strain A34, 
I lactose — , J 
1 indol +, I 
! inosite — [ 
0 
0 
Trace 
0 
0 
Dist. 
Dist. 
0 
0 
V. mkd. 
Com. 
0 
Trace 
Al. com. 
Com. 
0 
Com. 
Com. 
Com. 
Mkd. 
Com. 
0025 „ 
0-01 „ 
0005 „ 
0-oui „ 
\ 0 4 c.c. / 
Strain A6, ] 
lactose + , -1 
1 indol + , 
1 inosite — I 
0 
0 
0 
0 
0 
0 
0 
Dist. 
0 
0 
Trace 
Com. 
0 
0 
Al. com. 
Com. 
0 
0 
Com. 
Com. 
Dist. 
Al. com. 
Com. 
deviated in the presence of 0-025 c.c. of the antiserum, while with represen- 
tatives of the other sub-groups B, C and D, in the presence of the same 
amount of antiserum, not more than five doses were deviated, and with some 
no deviation was observed (Table XXIV). Some of the strains were tested 
both with the A4 antiserum and also with the A3 antiserum and the results 
31§ 
