64 



THE INHERITANCE OF COLOR IN MICE. 



Brown agouti x brown. 



Cross 51. Homozygous brown agouti crossed with homozygous brown. Y2Br>D>P2A2 x 

 YiBriD-iPi. Expectation, all BrAg. 



Cnoss 52. Brown agouti heterozygous in dark e3'e and agouti crossed with brown heterozy- 

 gous in dark eye. YiBrJ^iPpA xY^Br'D'Pp. Expectation, 3 BrAg, 3 Br, 1 pBrAg, 

 1 pBr. 



Brown agouti x pink-eyed broivn. 

 Cross 53. Both parents homozygous. YiBr-iDiPiAt x YiBriDiPi. Expectation, all BrAg. 



Brown agouti x dilute black. 



Cross 54. Brown agouti lieterozygous in densitj' and agouti, crossed with dilute black 

 heterozygous in black. Y-iBr-iDdP-iA x YiBriBd^Pz. Expectation, 1 BAg, 1 dBAg, 

 1B,1 (IB, 1 BrAg, 1 dBrAg, 1 Br, 1 dBr. 



Brown agouti x pink-eyed dilute brown. 

 Cross 54a. Both parents homozygous, YiBriDiPiAi x YzBr-'diPi. Expectation, all BrAg. 



VI. Dilute Brown Agouti, YBrdPA (Fig. 6). 



Eyes brown; ears, feet, and tail hghtlj' pigmented with brown. Ventral hairs dull fawn 

 Dorsal hairs showing the agouti pattern. The whole appearance is that of a dull, faded, 

 intense browTi agouti. 



