Table IV.—Comparison of the Amount of Auto-, Uo-, and Hetero-aggiuuoin in the Plasma 
of Rnbbit 896 (infected with T. dimorphon) and Normal Rabbit 1 
Equal volumes of red cell suspension and diluted plasma 
used. Temperature of experiment o° C. 
5 per cent, suspension 
of washed erythrocytes 
in normal saline 
solution 
Rabbit 1 
1 
896 
896 
Horse 
Guinea-pig 
Rabbit 1 
»» 1 
„ 2 
» 2 
„ 896 
„ 896 
11 orsc 
Guinea-pig 
Rabbit 1 
Plasma of Rabbits 1 and 896 
diluted with increasing 
amounts of normal saline 
solution 
Result 
Rabbit t undiluted 
„ X96 
» 896 
». 1 
„ 896 
» 1 
„ 896 
» ' 
„ 896 
,, 1 diluted with twice its 
voL of 0 9 per cent. 
NaCI solution 
„ 896 „ 
» 1 » 
» 896 „ 
» • 
„ 896 
»i * »> 
„ 896 
» 1 
» 896 „ 
„ i diluted with 4 times 
its voL of o'9 per 
cent. NaCI solution 
Complete agglutination in 20 mins. 
„ » 10 ” 
„ 20 - 
„ 20 „ 
„ « 20 » 
" IS 20 B 
„ 10 « 
„ 10 n 
Marked „ 4 s n 
Complete „ 45 11 
Nil 45 is 
Complete- 
Slight 
Complete 
Nil 
Complete 
Marked 
Complete 
Nil 
Complete 
Nil 
20 „ 
20 „ 
20 
20 .• 
20 
45 » 
15 « 
45 r 
15 » 
15 « 
» 1 
>» 2 
11 2 
„ 896 
>» 896 
Horse 
Guinea-pig 
Rabbit 1 
»» 2 
ss 896 
Horse 
Guinea-pig 
Rabbit 1 
11 
19 
Horse 
Guinea- 
Rabbit 
t» 2 
M 896 
Horse 
Guinea-pjg 
99 
896 
99 
Complete 
19 
>5 
w 
,, 
1 
99 
Nil 
11 
>5 
II 
99 
896 
11 
Complete 
11 
30 
n 
99 
1 
11 
Nil 
„ 
3 ° 
i» 
99 
896 
11 
Complete 
„ 
30 
n 
91 
1 
J% 
Slight 
11 
3 ° 
?! 
91 
896 
19 
Complete 
11 
30 
99 
99 
1 
11 
Nil 
11 
3 ° 
19 
91 
896 
91 
Complete 
11 
20 
I! 
99 
896 
diluted with 6 times 
its vol. of o'9 per 
cent. NaCI solution 
11 
11 
20 
11 
99 
896 
11 
11 
3 ° 
11 
99 
896 
11 
3 ° 
11 
99 
896 
J1 
Marked 
11 
45 
» 
99 
896 
11 
Complete 
11 
15 
91 
896 
diluted with 9 times 
its vol. of o'9 per 
cent. NaCI solution 
>» 
20 
11 
99 
896 
II 
Partial 
45 
« 
99 
896 
11 
Complete 
„ 
30 
99 
896 
11 
Trace 
45 
I! 
99 
896 
11 
Complete 
Slight 
11 
•5 
91 
896 
diluted with 14 times 
its vol. of 0-9 per 
cent. NaCI solution 
11 
45 
11 
896 
Nil 
n 
45 
19 
896 
n 
Slight 
45 
99 
896 
Nil 
45 
99 
896 
w 
Slight 
*1 
45 
t* 
