External Characters of Ruminant Artiodacti/la. 373 



closely applied to it. It is also much shorter than in the 

 specimen I examined. 



By the characters described in this paper the genera of 

 RedunciuK may be distiuouished as follows : — 



1. a. Rhinarium swollen above and extendiujr 



back far beyond posterior angle of nostrils. Pelea, E/eotrayus. 

 a'. Uhinaiiiim otlierwise. 



l>. Rhinarium not deeply and widely grooved 

 in front, extending as a narrow strip 

 below nostrils laterally : its posterior 

 border nearly straight between the 



nostrils Redunca. 



b'. Rhinarium deeply grooved in front, a 

 wide naked strip below nostrils late- 

 rally ; its posterior border acutely an- 

 gular between the nostrils. Adenota, Kobus. 



'2. a. Preorbital gland absent Pelea, Eleotragus, 



Redunca, Kobus. 

 a'. Preorbital gland a thickened urea of skin. . Adenota. 



3. a. Inguinal glands absent Pelea, Kobus. 



a'. Inguinal glands present. 



b. Two pairs of inguinal glands Redunca. 



b'. One pair of inguinal glands. 



c. Anterior pair of inguinal glands of Re- 

 dunca retained as long anteriorly 



directed pouches Eleotrayus. 



c . Posterior pair of inguinal glands of 

 Redunca retained as short inwardly 

 directed pouches Adenota. 



4. a. Pedal glands retained as flask-shaped sacs 



with short duct and small oritice Pelea. 



a' . Pedal glands aborted Eleotragus, Redunca, 



Adenota, Kobus. 



o. a. Penis with urethral tube short, slightly 



surpassing attenuated end of glans .... Eleotragus, Redunca, 

 a'. Penis with urethral tube very long, far 



surpassing bulbous end of glans Kobus, 



Subfamily ^pycemin^*. 



Genus ^pyceros, Sund. 



jEpyceros melampus, Licht. (p. 918). 



The feet of a specimen of this sjjecies from British East 

 Africa, brought home for me by Mr. F. C. Selous, enables 



* I instituted this subfamily under this name in liJlO ; but Lydekker, 

 while adopting the group in 1914 (Cat. L'ng. Manuu. iii. p. 4), emended 

 the title to yEpycerotinse, but quite unwarrantably, ^Epycsrinoi being, I 

 btilieve, correctly formed and having the advantage of brevity. 



