The pure-bred riding camel is only found in perfection in inner Arabia; for some unexplained reason when taken out of their own country or north of the 30th degree they rapidly degenerate.
In Great Britain wild cats survive only in some of the Scottish forests, and even there it is difficult to decide whether pure-bred specimens are extant.
In this book are named the recognized and pure-bred sires which have been used, and ewes which have been bred from, whilst there are also registered the pedigrees of such sheep as are proved to be eligible for entry.
Yak have the great disadvantage that they will not eat corn, and the large pure-bred animals will not live at low elevations.
The colour varies from dirty white to dark-brown, but when pure-bred is never black, which indicates eastern blood.