116 



GENETIC STUDIES OX A CAVY SPECIES CROSS. 



Table 43. 



Matings of tnld female hybrids with guinea- 

 pig males, in xrhich both -parents were 

 heterozygous in the extension factor. 



Table 46. 



Matings of wild hybrid females and guinea-pig 

 males, in which 07ve parent only carries 

 albinism. 



Parents. 



9CC X d'Ccorcc 

 9 Cc or cc X cf CO 



Table 44. 



Matings of albino guinea-pig females with 

 wild Cavia rufescens males. 



Table 45. 



Matings of | unld females vrith guinea-pig 

 males carrying albinism as a recessive 

 character. 



\ wild 90 

 91 

 105 

 107 

 110 

 113 

 119 

 147 

 150 

 160 

 006 

 642 

 645 



I wild 166 

 173 

 177 

 178 

 ISO 

 240 

 242 

 312 

 402 

 471 

 475 

 671 



Jg wild 195 

 275 

 277 

 277 

 303 

 317 

 318 

 329 

 330 

 340 

 356 

 392 

 399 

 414 

 419 

 422 

 4S1 

 503 

 519 

 523 

 524 

 560 

 565 

 580 

 679 

 2771 

 945/ 



3^2 ^"ild 635 

 687 

 740 

 034 \ 

 (.V.iBj 

 Total. 

 Table 44 

 Table 45 

 Grand 



1541 



1541 



1.541 



617 



617 



1543 



1543 



1543 



1.543 



-25 



201 



199 



199 



S5 



1917 



1923 



1923 



1917 



2306 



2366 



98 



2306 



96 



96 



96 



2132 



2132 



2132 



72 



1923 



223 



163 



223 



223 



12815 



223 



12815 



40 



40 



54 



54 



215 



144 



144 



53 



53 



64 



64 



103 



163 



94 

 115 

 115 



9-1 



Offspring. 



CC or Cc 



9 

 9 

 9 

 2 

 5 

 10 

 14 

 2 



7 

 3 

 13 

 3 

 4 

 3 

 1 

 3 

 5 

 1 

 3 

 6 

 6 

 4 

 5 

 1 

 3 



252 

 18 



27 



total . 



297 



