TRANSMISSION OF INDUCED EYE-DEFECTS 189 
ber 20 bore three young, April 8th, all of which had normal eyes. 
The other three does became very ill and bore no young. No. 
24, at least, had every evidence of having had the young killed in 
utero in a relatively advanced stage of development. As hap- 
TABLE 8 
. Experiment 14 
Control: Treatment of rabbits with normal serum 
IDENTIFI- 
DATE OF IN- CATION DAYS ° 
DOSE OF SERUM EMARKS 
JECTION—1918 | NUMBERS | PREGNANT SSD) NTA a 
OF RABBITS 
Mating, 199 X20 
May 21 19 3 5 
17 11 5 Mating, 17.9 X2¢ 
22 8 5 Mating, 222 X2¢ 
13 10 5 Mating, 13 9 X2o¢ 
May 25 19 7 
17 15 342 
22 12 (normal salt) 
13 14 
May 29 19 11 5 
17 19 5 
22 16 5 
13 18 5 
June 1 19 13 5 
17 21 5 
22 18 5 
13 20 5 
June 6 19 18 4 All apparently aborted or re- 
1%: 26 4 sorbed young 
22 5 2B) 4 No. 13 had hind legs para- 
13 PAB) 4 lyzed for a time 
pens under such circumstances, although later mated repeatedly 
she remained infertile. 
Experiment 14 
Four rabbits were used and five treatments with fresh normal 
fowl serum were given (table 8). Each rabbit apparently aborted 
