132 BULLETIN 99, UNITED STATES NATIONAL MUSEUM. 



HELOGALE UNDULATA AFFINIS Hollister. 



Plate 36, figs. 1, 2, 3, 4. 



1916. Helogale undulata affinis Hollister, Smithsonian Misc. Coll., vol. 66, No. 1, 

 p. 7. February 10. (Mount Lololokwi, British East Africa; type in 

 U. S. Nat. Mus.) 



Specimens. — Six, as follows : 



British East Africa: Mount Lololokwi, summit at 6,000 feet. 

 2 (Heller); Rumathe Water, Northern Guaso Nyiro, 4 (Heller). . 



The specimens from Northern Guaso Nyiro have slightly darker 

 tails and more heavily speclded feet than the type and topotype skins 

 from the summit of Mount Lololokwi. According to Heller's field 

 n6tes these animals go in troups of a dozen or more and make a 

 peculiar rustling noise as they move through the leaves and brush. 

 They also keep up a chirping to each other. He shot an old male 

 which was chu-pmg loudly at him from a rock. At Rumathe Water 

 he saw several troups which took refuge when frightened m the fun- 

 nels of termite hills. The four taken at this place were shot by wait- 

 ing at the termite hills until they appeared after their fright. 



HELOGALE UNDULATA RUFULA Thomas. 



1892. Helogale undulata True, Proc. U. S. Nat. Mus., vol. 15, p. 451. (Specimens 



from Kilimanjaro region; not of Peters.) 

 1910. Helogale undulata rufula Thomas, Ann. and Mag. Nat. Hist., ser. 8, vol. 5. 



p. 194. February. (Rogoro, IGkuyu, British East Africa; type in 



British Museum.) 



Specimens. — Three, from localities as follows : 



British East Africa: Kijabe, 1 (Heller); Plams east of Kilmian- 

 jaro, 1 (Abbott); Taveta, 1 (Abbott). 



The Kilmianjaro specimens collected by Doctor Abbott agree in 

 most details with the Kijabe specimen, which must be assumed to 

 represent typical rufula. They are, however, slightly brighter col- 

 ored and the skulls are relatively a little broader. They are decidedly 

 different in coloration from the Mazeras specimens which I have for 

 the present referred to Helogale undulata atkinsoni Thomas, and in 

 all points of difference agree better with the Kijabe specimen of 

 rufula referred to above. 



HELOGALE UNDULATA ATKINSONI Thomas. 



1897. Helogale atkinsoni Thomas, Ann. and Mag. Nat. Hist., ser. 6, vol. 20, p. 

 378. (Hargaisa, Somaliland; type in British Museum.) 



Specimens. — Three, as follows : 



British East Africa: Mazeras (Heller). 



It is with considerable doubt that I refer these three skins to Helo- 

 gale undulata atkinsoni. They differ in many respects from speci- 

 mens of other British East African races of undulata (rufula and 

 affinis) and have the decidedly shorter tail of true athinsoni. They 

 probably represent an undescribed subspecies, nearer to atkinsoni 



