THE PALMATED ANTELOPE. 
197 
the title of D. palmaia, in which the horns have tlie 
prong much more palmated. — (See annexed cut). 
He considers it a more northern animal, and that 
the palmation is a necessary provision to remove the 
snow from the food. Dr Richardson, however, con- 
siders that the variation of the liorns is the effect of 
age, and that no antelope exists in the country as- 
signed to this, “the bleak regions near the Frozen 
Ocean." We notice this, and have introduced Ma- 
jor Smith’s representation of the horns to direct fur- 
ther attention to tlie subject. 
We proceed next to an African group, and as the 
next three forms are closely allied, we shall add Ma- 
jor Smith’s characters at the commencement of each. 
Subgenns Aigocerus, Smith. “ Horns very large, 
common to both sexes, pointed, simply bent back, 
annulated, placed above tlie orbits. Half muzzle, no 
auborbital sinus, no inguinal pores, tail descending 
to the houghs ; mane reversed ; a white mark before 
the eyes ; throat and under jaw somewhat bearded ; 
