190 



ELMER ROBERTS 



TABLE 5 

 Average of length of vestigial wings of males and females in selected series A 



GENERATION 



F^. 

 Fs. 

 F4. 

 F5. 



Fe. 



Ft. 

 F,. 

 F9. 

 Fio 

 Fu 

 F12 



Fl3 

 Fl4 



Fis 



F16 



Fi7 



AVERAGE 



20.00 

 19.50 

 18.00 

 24.25 

 19.71 

 22.11 

 21.83 

 21.27 

 22.17 

 20.21 

 40.46 

 26.58 

 30.69 

 21.09 

 23.92 

 22.45 

 25.40 



AVERAGE 



OF 

 OFFSPRING 



16.23 

 16.39 

 19.25 

 18.45 

 18.48 

 17.95 

 18.87 

 18.70 

 17.57 

 25.63 

 21.12 

 26.88 

 18.80 

 19.40 

 19.16 

 19.46 

 21.77 



GENERATION 



F18 

 Fl9 

 F20 

 F21 

 F22 

 F23 

 F24 

 F25 

 F26 

 F27 

 F28 

 F29 

 F30 

 F31 

 F32 

 F33 

 F34 



AVERAGE 

 OP 



PARENTS 



24.22 

 20.76 

 24.17 

 21.90 

 20.57 

 20.00 

 22.93 

 22.42 

 21.17 

 20.64 

 24.15 

 23.00 

 34.87 

 20.87 

 18.07 

 22.93 

 33.00 



OFFSPRING 



18.62 



20.18 

 18.89 

 18.95 

 17.20 

 19.13 

 18.18 

 17.23 

 18.79 

 19.03 

 19.40 

 23.68 

 19.63 

 16.37 

 17.59 

 21.45 

 21.96 



TABLE 6 

 Average of length of vestigial wings of males and females in ' crossed-in-and-selected' 



series C 



GENERA- 

 TION 



Fi. 



F2. 

 F3. 

 F4. 

 F5. 

 Fe. 

 Ft. 

 Fa. 

 F9. 

 Fio 

 F„. 

 F12 



Fi3 

 Fl4 



Fu 

 Fi, 

 Fit 



AVERAGE OF 

 PARENTS 



20. 50 and long- 

 winged 

 Long-winged 



28.62 



23.60 



26.41 



24.20 



23.54 



26.92 



26.46 



33.07 



30.00 



22.00 



23.50 



24.67 



45.80 



31.40 



21.8.5 



AVERAGE OF 

 OFFSPRING 



Long-winged 



18.92 

 17.65 

 24.26 

 18.86 

 19.38 

 19.95 

 21.45 

 26.75 

 21.66 

 19.24 

 19.05 

 20.20 

 33.10 

 26.16 

 18.71 

 26.52 



GENERA- 

 TION 



F18 



Fi9 

 F20 

 F21. 

 F22. 

 F23. 

 F24. 

 F25. 

 F26. 

 F27 

 F28 

 F29. 



Fso. 

 F31. 



F32. 

 F33. 



F34- 



AVERAGE OF 

 PARENTS 



35.24 

 42.77 

 37.20 

 44.05 

 45.50 

 29.08 

 34.60 

 39.93 

 37.19 

 40.08 

 32.14 

 25.50 

 21.22 

 24.00 

 33.11 

 30.90 

 42.33 



AVERAGE Op 

 OFFSPRING 



36.88 

 31.01 

 37.90 

 38.35 

 24.49 

 25.97 

 32.35 

 28.45 

 30.70 

 25.27 

 21.99 

 18.42 

 20.24 

 21.07 

 24.20 

 41.26 

 42.62 



I 



