180 M. F. GUYER AND E. A. SMITH 
Experiment 11 
Four fowls and four rabbits were used as recorded in table 2. 
The rabbits ranged from ten to sixteen days in pregnancy when 
TABLE 2 
Experiment 11 
I. Sensitization of fowls 
DATE—1918 speeyie S NUMBER eee LENSES a araetonie cae scr ts 
cc. cc 
January 16 4 10 20 4 
January 21 4 10 20 4 
January 28 4 6 (half-grown) 15 4 
February 6 4 4 adult, 6 newborn 15 4 
February 14 4 4 19 4 
II. Treatment of rabbits 
IDENTIFI- 
CATION DAYS DOSE OF 
DATE OF INJECTION NUMBERS | PREGNANT SERUM REMARKS 
? OF RABBITS 
February 22 22 16 5 Mating, 222 X2¢ 
17 10 5 Mating, 179 X20 
C 14 5 Mating, C 9 X2¢ 
February 26 22 20 6 
Ih 14 6 
C 18 6 
February 28 22 22 6 
17 16 6 
C 20 6 
March 2 22 24 5 5 young; March 7; eyes normal 
Ike 18 5 
C 22 5 5 young, March 9; some eye de- 
fect; see text 
March 5 17 21 5 3 young, March 16; eyes normal 
A 13 5 
March 7 A 15 6 
March 9 A 17 6 
March 14 A 22 4 5 young, March 22; 1 with eyes 
normal, others chilled to death 
