272 



EARL W. BENJAMIN 



hatched (Benjamin, 1912 and 1914). The coefficients of correlation for 

 these preliminary studies are summarized in table 62 and in figure 43. 



TABLE 62. SUMMARY OF PRELIMINARY STUDIES TO DETERMINE THE RELATION BETWEEN 

 SIZE OF THE CHICK AND SIZE OF THE EGG FROM WHICH IT WAS HATCHED 



In both years the value r seems to have been higher during cold weather, 

 which occurred, for the 1911 offspring, from the thirtieth to the forty- 

 fourth week and from the ninety-second to the onerhundredth week, 

 and for the 1912 offspring from the thirtieth to the forty-fourth week. 

 This seems to be due to the fact that the larger, stronger birds were 



