120 



GENETIC STUDIES ON A CAVY SPECIES CROSS. 



Table 61. 



Coefficients of variaJnlity for the weights of the males in the parent races and hybrids, at six 



successive ages. 



Number of 

 individuals. 



Class. 



Average of 

 coefficients. 



4 



6 



15 



62 



*28 



53 



Wild 



J wild 



i wUd 



i wild 



Guinearpig 

 Guinea-pig 



5.39 



10.60 



10.19 



10.88 



8.98 



8.56 



*SmaU inbred strain. 

 Table 62. 



Coeffi^nts of variability for the weights of the females in the parent races and hybrids, at six 



successive ages. 



♦Small inbred strain. 



Table 63. 



Averages in millimeters of sixteen different skeletal dimensions of the males in the parent races 



and in hybrids. 



