Natural History of the Mammalia of India and Ceylon

Family Bovidæ — Hollow-Horned Ruminants

In these there is an elongated process of bone on the frontals, termed the “horn cores,” which are covered with a horny sheath which is never shed, but continues to grow till full adult life, and probably whilst life lasts, the growth being from the base. In some of these the females are horned, but the majority are hornless. These have all the typical organs of rumination and digestion, and they consist of the goats, sheep, antelope, oxen, and buffalos.