250 Dr. W. Yorke. Auto-Agglutination of [Nov. 2, 
Table IV.—Comparison of the Amount of Auto-, Iso-,and Hetero-agglutinin in 
the Plasma of Rabbit 896 (infected with 7. dimorphon) and Normal Rabbit 1. 
Equal volumes of red cell suspension and diluted plasma 
used. Temperature of experiment 0° C. 
5 per cent. suspension Plasma of Rabbits 1 and 896 Result. 
of washed erythrocytes diluted with increasing 
in normal saline amounts of normal saline 
solution. solution. 
Rab bitey oly: hsetcenswece: Rabbit 1 undiluted............... Complete agglutination in 20 mins. 
a 1 Ba Rica Ua 5 » 896 BN Nel Dalle as Ret 0 . = 20 ; 
af Pdi febtte ets eset e 1 se Silvie sane eas A 5 20 ;, 
i De ae ae | OO ne ES Sn 3 H 20 
Pe ES IG gecesi: ACH AN el, Reve eer rece 9 20 ,, 
5 SOG we cence . 896 AR ia seneeinc anaemia ase 3 ” 20 5, 
TOVSO Petre Ace csc eer M 1 ST: cee cere i 5 10 
: ; » 896 RTH ertoce Sects \, XS 10 = 
Guinea pipes. sees if 1 Pa tts th Ree Marked . 45, 
j + Soo ESV Oe LU ie Complete . 45, 
Rab bitaeal crt ere cee A 1 diluted with twice | Nil ” 45; 
its vol. of O°9 p. c. 
NaCl solution 
ee aL oe tsg tha aaa » 896 3 Complete 9 20-5; 
oe 2: se seus aeeee sees a 1 . Shght » 20» 
- Doth ce awe » 896 f Complete %3 20 
Fr S06 Ai ees ‘ 1 ‘i Nil .9 20; 
Se. Gasca een » 896 * Complete ” 20 ;, 
HH Orse 4s .2 ee. ee 7 1 ” Marked ” 45; 
; i » 896 Complete FH Bie, 
Guinea-pig <7... . 1 + Nil %9 45, 
; » | 1396 A Complete th 15, 
Re bbityel se eck eee As 1 diluted with 4 times | Nil ” 15, 
its vol. of 0°9 p.c. 
NaCl solution 
% 1D AE Oe oem ee 3 896 - | Complete » 15, 
” Pe SMEAR, Sd Re 9 1 9 Nil +B) 15 ” 
9 7A NAP oie ) 896 9 | Com plete ” 30 oP) 
9 SIGH scone ” 1 3” Nil oe) 30 ” 
SEB OG ue. iaeemon ct » 896 is Complete 1 30s, 
Horses oe ew, 5 1 ode Slight 3 30 
‘ ; ste Ms Complete 30. 4 
Guiheaspie cs. eco 1 , Nil 99 30 5, 
, OOG ; Complete 3 205) 4, 
IR DDIG AA diet oeee eee 5 896 diluted with 6 times : 20 5 
its vol. of 09 p.c. 
: NaCl solution 
se OT DEN ad aN ine » 896 0 30; 
Rais (eBSe eee ” 896 i : 30, 
18 [O12 ergumcannago gba 0o- eeo 99 Marked », 45, 
Guinea-pig eat ieetene rer » 896 9 Complete ” 15; 
Rabbita) lee cn reeeee » 896 diluted with 9 times 5 ” 20, 
its vol. of O'9 p.c. 
NaCl solution 
- RE rl » 896 Y Partial +3 45, 
se SOG ae eee vt 4806 i Complete 5 30; 
hiwAELorse: (silva eta yee » 896 - Trace y» 45; 
| Guinea-pig sholsleeienarets 5 896 9 Complete "ats tb, 
Rabbityy A i tae » 896 diluted with 14 times | Slight 0 45, 
its vol. of 0°9 p. c. 
NaCl solution 
aM 2) Sala sana Hy pe SO6 . Nil » 45; 
Bib) 2806.54. eee » 896 . Slight , 45, 
Horse ploiel ale\eisjotedstelele:elehatetoistare Sp 896 9 Nil ” 45 ” 
Guinea-pig ..........0.0+- 5 896 A Slight %9 45, 
