THE PALMATED ANTELOPE. 197 



the title of D.palmata, in which the horns have the 

 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 horns is the eftect 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 the 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. 



Suhgenus Aigocerus, Smith. " Horns very large, 

 common to both sexes, pointed, simply bent back, 

 annulated, placed above the orbits. Half muzzle, no 

 suborbital sinus, no inguinal pores, tail descending 

 to the houghs ; mane reversed ; a white mark before 

 the eyes; throat and under jaw somewhat bearded; 



