REINVIGORATION PRODUCED BY CROSS FERTILIZATION 351 
TABLE 7—Continued 
B 2npD | 
FERTILIZED EGGS FROM INBREEDING B Isr 
| 
D 
NEW PARTHENOGE- | 
NETIC WILD RACE 
Young 29s Parthenogenetic | Offspring of daughter 
from different daughter females | Parthenogenetic 
fertilized eggs | isolated females 
| 
No.| Time 1911 | Time 1911 | No. | Time 1911 | No. | Av.no.|, 2 28 ea une. 
Copan’ ; |  |AV-DO-lisolated| d. 9s 
duced 
| | P| 
46 | Eve. 6-17 | A.M. 6-22 | Large) 9 dead. | No young. Sterile 
47 | A.M. 6-19 | Eve. 6-21 3 | Eve. 6-23 OFF 10 5 66 13.2 
48 | A.M. 6-19 | Eve. 6-21 5 | Eve. 6-23 39 7.8 5 66 13,2 
49 | A.M. 6-19 | Eve. 6-21 3 | Eve. 6-23 0 0 5 66 13.2 
50 | A.M. 6-19 | Eve. 6-21 4 | Eve. 6-23 26 6.5 5 66 13.2 
51 | A.M° 6-19 | Eve. 6-21 4 | Eve. 6-23 33 8.25 5 66 13.2 
51 | | 127 345 | 2.71+ | 159 1622 | 10.2 | Summary 
32 127 (23 ||P) se |) oa | Sina (oe 
| | the exact 
| | number of 
| fertile indi- 
| viduals used. 
THE JOURNAL OF EXPERIMENTAL ZOOLOGY, VOL. 12, No. 3 
