TABLES. 



125 



Table 74. 



Results of a simple microscopic test alone. 



Generation of 

 male hybrids. 



F2. I wild 



F3, i wUd 



F4. iV wild 



Fs, /a wild 



Fe, eV wild 



F7, iJg wild 



Fs. jle- wild 



Offspring of hy- 

 brid males and 

 females 



Offspring of hy- 

 brid males and 

 guinea-pigs . . . . 



Totals 



having Number! Number 



only a with no ! with any 



micro- sperma- sperma 

 scopic tozoa. j tozoa 

 test. 



7 

 28 

 55 

 123 

 45 

 14 

 1 



36 



5 

 IS 

 20 

 16 







10 

 35 

 107 

 43 

 12 

 1 



33 



22 



Percent 

 age with 



any 



sperma 



tozoa. 



28.6 

 35.7 

 63.6 

 87.0 

 95.6 

 85.7 

 100.0 



91.7 



100.0 



Number 

 with any 

 motile 

 sperma- 

 tozoa. 





 



16 

 77 

 33 

 12 

 1 



Percent- Number 

 age with with 



any 

 motile 

 sperma- 

 tozoa. 



22 



00.0 

 00.0 

 29.1 

 62.6 

 73.3 

 85.7 

 100.00 



61.1 



100.0 



many 

 motile 

 sperma- 

 tozoa. 





 

 11 

 67 

 31 

 10 

 1 



18 



21 



Percent- 

 age with 

 many 

 motile 

 sperma- 

 tozoa. 



00.0 

 00.0 

 20.0 

 54.5 

 68.9 

 71.4 

 100.0 



50.0 



95.5 



Table 75. 

 Results of all microscopic tests. 



Generation of 

 male hybrids. 



Fi, I wild 



F2, i wild 



F3, I wild 



F4. 1^6 wild 



Fs, 3^ wild 



Fs, eV wild 



Ft. ikwild 



Fs, sb wild 



Offspring of hy- 

 brid males and 

 females 



Offspring of hy- 

 brid males and 

 guinea-pigs. . . . 



Totals ... 



12; 



49 

 99 

 150 

 49 

 15 

 1 



39 



22 

 433 



1 

 6 



27 

 30 



18 





Ph 



89 



100.0 

 75.0 

 55.1 

 30.3 

 12.0 

 4.1 

 13.3 

 00.0 



7.7 



00.0 

 20.6 



■"S o 



^ Q 



P^ »3 







2 



22 



69 



132 



47 



13 



1 



36 



22 

 344 



00.0 

 25.0 



44.9 

 69.7 

 88.0 

 95.9 

 88.7 

 100.0 



92.3 



100.0 



-Q (1) 



S3 



^ s 











8 



48 



102 



36 



13 



1 



23 



22 



00.0 

 00.0 

 16.3 

 46.5 

 68.0 

 73.5 

 86.7 

 100.0 



59.0 



100.0 











7 



33 



91 



34 



11 



1 



19 



21 



79.5 251 



58.0 217 



a « § 



O o3 O) 



S « <» 

 fin 



00.0 

 00.0 

 14.3 

 33.3 

 60.7 

 69.4 

 73.3 

 100.0 



48.7 



95.5 

 50.1 



