TABLE 4 
Experiment 20 
I. Sensitization of fowls 
pare—i0i9 | rowss secre [YOMBEROFRADOT| onan curt | poshon pen 
cc. cc. 
November 7 12 6 20 15 
November 11 2 6 20 1.5 
November 21 2, 6 20 15) 
November 30 2 6 20 11.5 
II. Treatment of rabbits 
IDENTI- 
FICA- 
I DAYS 
DATE OF eLeN) a 
NUM- | PREG- DOSE OF SERUM REMARKS 
INJECTION BERS NANT 
OF RAB- 
BITS 
——————————————————————— 
December 10 |} 11 iG 6 Mating, 11 29 x 44¢ 
17 7 6 Mating, 17 9 X 16A2 7 
7 6 
20 Mating, 202 X20 
December 12 : ; 5+3 (normal salt 
20 9 solution) 
16A1 5 6 Mating, 16Al 9 x 16A2¢ 
22 5 6 Mating, 229 x 440 
December 14 | 11 11 
Le a 5+3 (normal salt 
2 ne solution) 
16Al 7 
22 7 
December 17 | 11 14 6 
il7/ 14 6 
20 14 6 
16A1} 10 6 
po 10 6 
December 19 | 11 16 6 
17 16 6 
20 16 6 
16A1| 12 6 
22 22 6 No. 22, ill; killed; ovi- 
ducts filled with pus 
December 21 | 11 18 6 No. 17 had 1 young and 2 
17 18 6 placentas; see text 
20 18 6 No. 16A1 bore 4 young, 
16Al| 14 6 January 7; eyes normal 
Nos. 11 and 20, no young 
183 
