Heredity in Fundulus Hybrids 



^SS 



TABLE VII 



m 



SUBJECT OF 

 COMPARISON 



EXPERIMENT I 



Number of developingi 

 eggs 



Pure 



3^9 



Average number of, 



blastomeres ! z.gi-j- 



Excess in average num- 

 ber of blastomeres 

 in favor of hybrid 

 strain 



Per cent of all 4-cell 



stages 41-33+ 



Per cent of all 2-cell| 



stages I48.634- 



Excess in per cent of 

 all 4-cell stages in 

 favor of hybrid strain 



Per cent of strict 4- 



cell stages {22.49-I- 



Per cent of strict 2- 

 cell stages 



Per cent of intermedi- 

 ate stages .... 



30.69+ 

 45-89+ 



Excess in per cent of 

 strict 4-cell stages in 

 favor of hybrid strain 



Hybrid 



353 



3-31 + 



.40 



EXPERIMENT 2 



Pure 



292 



3-13+ 



65. 72+158. 56-f 

 27-76+:34-93+ 



24-39 



47-30+J29-45+ 

 18.13+J15.06+ 

 32.86+I49.31 + 



24.81 



Hybrid 



661 



3-27+ 



•14 



EXPERIMENT 



Pure 



1283 

 3-19+ 



Hybrid 



1277 



3-44+ 



•25 



69-74+ 



25-71 + 



50-83+ 

 11.49+ 



34-19+ 

 21.38 



65.08 + 

 29.15+ 



21 .42+ 

 18.40+ 

 60.17+ 



78-77 + 

 15-11 + 



13.69 



34-53+ 



9.16+ 



EXPERIMENT 4 



Pure 



587 

 2.46+ 



Hybrid 

 566 



2.58+ 



20.44+ 



70.69+ 



26.50+ 

 62.89+ 



6.06 



5-45+ 7-24+ 

 53-15+50-17+ 



56. 14+136. 62+40. 45+ 



13.it 



1-79 



