Page:The Evolution of British Cattle.djvu/111

 these, ; or these, &rarr;. Consequently, from a sufficient number of matings a quarter of the calves are pure black, ; a half are masquerading blacks, ; and a quarter are pure red,.

Again, when black masqueraders are bred back to pure black cattle, one half their progeny are pure black, the other half masqueraders. Thus gives two pure blacks, ; and two masqueraders,.

Further, when black masqueraders are bred back to red, one half their progeny are masqueraders, the other half are red. gives two masqueraders,, and two reds,.

These black masqueraders cause confusion, since they cannot be separated from the pure black ones by the naked eye; but, like the intermediate roans, they may also be the means of transmitting a colour from one set of cattle to another. For instance, red cattle of North Devon type were taken to the south of Ireland a century ago, or more, and crossed with the native black Kerry cattle. The result of the crossing and