Vol. 35, pp. 135-136 October 17, 192 



PROCEEDINGS 



OF THE 



BIOLOGICAL SOCIETY OF WASHINGTON 



k 



A NEW HYRAX FROM EAST AFRICA.' 



BY N. HOLLISTER. V 



Among several subspecies of Heterohyrax brucei contained in 

 the United States National Museum is an undescribed form from 

 southwestern Kenya Colony. It was collected by the Paul J. 

 Rainey African Expedition in 1911. 



Heterohyrax brucei albipes, subsp. nov. 



Type from Telek River, Loita Plains, Kenya Colony. No. 181,551 

 U. S. National Museum, skin and skull of adult 9 (stage VIII); collected 

 May 17, 1911, by Edmund Heller (Rainey Expedition). 



Diagnosis. — Like Heterohyrax brucei hindei (Wroughton) but fresh pelage 

 lighter, more grayish; underparts white, the hairs along middle clear white 

 to roots; dorsal spot pale cinnamon or whitish; arms and legs grayer; 

 fingers white; white of inner side of legs spreading along inner half of upper 

 surface of feet and toes; the outer half of feet gray like outer side of legs. 

 Skull and teeth essentially as in hindei. 



Measurements of type. — Head and body, 470 mm.; hind foot, 63; ear, 35. 

 Skull: Greatest length, 84.3; condylobasal length, 80.3; basal length, 75.8; 

 zygomatic breadth, 46.4; nasals 19.5 X 18.2; diastema, 12.7; upper molar- 

 premolar row, 31.9; mandible, 67.8; lower molar-premolar row, 31.7. 



Specimens examined. — Twelve from the type locality. 



1 Published by permission of the Secretary of the Smithsonian Institution. 



30— Proc. Biol. Soc. Wash., Vol. 35, 1922. (135) 



