68 



MAINE AGRICUI.TURAI, EXPE;RIME:nT STATION. I909. 



examples will make clear how the tables in general are to be 

 read. 



Another possible way of getting at the correlation between 

 mothers and daughters in respect to egg producing ability is to 

 correlate the mother's performance with the average perform- 

 ance of her daughters. This method of procedure in a measure 

 gets over both of the difficulties which have been noted above. 

 In the first place the mothers are not weighted with their fecun- 

 dity. In the second place, since the avei'age daughters' perform- 

 ance is taken, undue weight is not given to the factor of indi- 

 viduality among the several daughters. It has seemed desirable 



TABLE IV. 



Showing the Correlation Between "Registered" Pullets and Their 

 Mothers in Respect to Spring (March i to June i) Hgg 

 Production. 











Mother's Egg Production. 













ffl 



C5 







CJ 







en 



Oi 







03 



Oi 



03 



m 







CO 



1 

 



1 



00 



r 







03 

 



CD 



CD 

 1 

 '^ 

 CO 



CO 





03 



ci 



CO 



I 



00 



"3 

 





0-3.9 



- 



- 



- 



2 



2 



3 



- 



- 



- 



- 



- 



7 





4-7.9 



- 



- 



- 



- 



1 



1 



- 



- 



- 



- 



1 



3 





8-11 .9 



- 



- 



- 



1 



1 



- 



- 



- 



- 



- 



- 



2 





12-15.9 



- 



- 



- 



- 



1 



- 



- 



- 



- 



- 



- 



1 





16-19.9 



- 



_ 



- 



1 



2 



1 



2 



1 



- 



- 



- 



7 



i, 



20-23.9 



- 



- 



- 



- 



2 



1 



- 



1 



- 



- 



1 



5 







24-27.9 



1 



- 



- 



2 



1 



- 



1 



- 



-' 



- 



- 



5 



28-31.9 



1 



_ 



1 



1 



1 



2 



_ 



1 



_ 



_ 



1 



8 





 « 



32-35.9 



1 



- 



- 



2 



2 



3 



1 



2 



- 



- 



- 



11 











36-39.9 



- 



- 



- 



1 



2 



- 



1 



2 



- 



- 



- 



6 



02 



40-43.9 



1 



- 



1 



2 



- 



2 



- 



2 



- 



- 



1 



9 



K 



w 



44-47.9 



- 



- 



1 



2 



4 



5 



- 



1 



- 



- 



1 



14 



K 

 



48-51.9 



_' 



_ 



_ 



2 



4 



3 



1 



_ 



_ 



_ 



3 



13 





 < 



52-55.9 



- 



- 



3 



2 



4 



7 



3 



6 



- 



- 



- 



25 





56-59.9 



- 



- 



1 



4 



3 



1 



2 



5 



- 



- 



- 



16 





60-63.9 



1 



- 



4 



7 



2 



5 



5 



1 



- 



- 



- 



25 





64-67.9 



- 



- 



4 



2 



5 



5 



1 



- 



- 



- 



1 



18 





68-71.9 



- 



- 



- 



1 



- 



1 



- 



1 



- 



- 



1 



4 





72-75.9 



- 



- 



- 



1 



- 



- 



- 



1 



- 



- 



2 



4 





76-79.9 



- 



- 



- 



- 



- 



■ 1 



- 



- 



- 



- 



- 



1 



Totals 





5 







15 



33 



37 41 



17 



24 







12 



184 































