433 



////: AMERICAN NATURALIST [Vou XLYI 



though there is evidence of the Hereford ehanu-tei-s in a 

 few. A few of these Fj cows were mated to a registered 

 Durham bull. Only two of the F, calves from these crosses 

 wsre observed. They are shown in Fig. 5, on the left and 

 in the middle. The one on the left is a pure Durham in 

 all respects. The one in the center is a typical Brahma 

 Durham hybrid. A downpour of rain and the scattering 

 of the herd prevented further observations. 



IlEKIi No. -2 



The Fj cows of this herd are the product of a Brahma 

 male on grade Hereford and grade Durham in about 



!'!'. (I. The rows arc from Bon indivtis on impure I>urh.-un. and the calves 

 from these I'i cows hred hack to Has im/iYn*. 



ei|iial proportion. These F l cows show the color char- 

 acters of the Hereford and Durham quite distinctly, 



1'n:. 7. The yearlings are from /;,* iiiilirus x high-grade Hereford I"i 

 hylirids hri-d back to Bon iinlii-iix. 



though there is slight evidence of the hump of the 

 Brahma sire, and the dewlap is somewhat enlarged (Fig. 



