484 



Journal of Agricultural Research 



Vol. IV. No. 6 



total number of offspring that are singles with single dams and twin 

 maternal granddams. 



Dams and granddams are repeated so as to let all the recorded oflfspring 

 appear. Since we do not know in which of the states i , 2 , or 3 imported 

 sheep were bom, we have to omit all cases of imported granddams. 



Table III(A). — Correlation between offspring and maternal granddams^' 



Dams and maternal granddams. 



I-I 



1-2 



2-1 



2-2 



1-3 



3-1 



2-3 



3-2 



3-3 



Total 



<» This abbreviated heading will be used for tables that follow. The correlation refers to that between 

 sizes of litters in which the classes are born. 



Means of arrays of offspring: 



(i) When dams and granddams are singles i. 3446±o. 0057. 



(2) When the dams are singles and granddams twins. ... i. 3689±o. 0070. 



(3) When the dams are twins and granddams are singles, i. 4245±o. 0071. 



(4) When the dams are twins and granddams are twins. . i. 4559 ±0. 0078. 



(5) When either dam or granddam is a triplet i. 545 ±0. 037. 



Table ni(B) exhibits the percentages of offspring born in states i, 2, 

 and 3 for dam and maternal granddams bom in various states. 



Table III(B). — Percentages of offspring in states I, 2, and j to correspond to states 

 l-i, 1-2, 2-1, 2-2, of dams and maternal granddams 



a See footnote. Table 1(B). 



