112 



GENETIC STUDIES ON A CAVY SPECIES CROSS. 



Table 29. 



Summary of Tables 27 and 28; matings of brown 

 female hybrids and brown guinea-pig males. 



Table 30. 



Matings of guinea-pig females, 

 heterozygous in extension, 

 with a wild Cavia rufescens 

 male. 



Table 31. 



Matings of | wild females, homozygous in 

 extension, with guinea-pig males carry- 

 ing restriction. 



Table 33. 



Matings of I icild females with guinea-pig 

 males, in ichich one parent only carries 

 restriction. 



Table 32. 



Matings of I wild females inth guinea-pig 

 males, in which one parent only carries 

 restriction. 



