"The antlers of young deer are in the form of simple spikes; and this form is retained in the South American brockets, although the simple antlers of these deer appear due to degeneration, and are not primitive types.
Brockets, of which there are numerous species, such as M.
Whorls of hair, as on the face of the horse and the South American deer known as brockets, occur where the different hair-slopes meet.
Brockets, Subgenus Mazama.
Including all these deer except one in the genus Mazama (of which the typical representatives are the South American brockets), the North American species constitute the subgenus Dorcelaphus (also known as Cariacus and Odocoileus).