74 MR. o. THOMAS ON THE [Jan. 5, 



12. Procavia valida. 



Bendrohyrax validus, True, P. U. S, Nat. Mus. xiii. p. 227 

 (1890). 



Fur thick and close, but rather coarse. Ears short and rounded. 

 Mammae — 1=2. General colour dark grizzled brown, with a 

 strong suffusion of dark fulvous. Hairs of back dark slaty grey, with 

 a subterminal ring of orange and a black tip. Belly bright deep 

 fulvous, quite different to anything found elsewhere in the genus. 

 Upper surfaces of hands and feet dark brown or black, darker than 

 the general body colour. 



Dorsal spot prominent, narrow, elongate, bright cinnamon or 

 fulvous, the hairs rather darker basally. 



" Skull depressed, muzzle elongate, nasal bones rectangular, slightly 

 expanded posteriorly. Orbit completed behind." {True.) 



Type in the United States National Museum. 



Hah. Mt. Kilima-njaro, E. Africa (//. //. Johnston, Br. W. 

 L. Abbott). 



This species is of course that referred to by me with much doubt 

 as " Hyrax brucei. Gray (?)," when working out the collections of 

 Mr. H. H. Johnston from Kilima-njaro. As the skins had no 

 skulls with them, and I did not then know how much reliance might 

 be placed on the peculiarities of the coloration, I naturally referred 

 them to a previously known species, rather than run the risk of 

 describing them unnecessarily. 



13. Procavia arborea. 



Hyrax arboretis, A. Smith, Trans. Linn. Soc. xv. p. 468 (1827). 



Bendroliyrax arboreus, Gray, Ann. Mag. N. H. (4) i. p. 49 (1868). 



Size medium ; form thick and squat; head not disproportionally 

 large. Fnr very long and soft ; muzzle always hairy ; ears fringed. 

 MammfB — 1=2. General colour coarsely mottled fawn or yel- 

 lowish grey with a certain infusion of rufous ; the hairs black for 

 their basal seven-eighths, then with a subterminal band of dirty fawn- 

 colour, becoming darker distally, and with a decided black tip. 

 Belly pale yellowish white, sharply defined. 



Dorsal spot elongate, very prominent, wholly white, the hairs 

 white to their bases, their tips with a yellowish tinge. 



Skull ' flattened, but not in so exaggerated a manner as in 

 P. dorsalis. Muzzle not so markedly elongated ; distance from be- 

 tween the postorbital processes to occiput equal to that to the tip of the 

 nasals. Orbits ordinarily, but not always, quite complete behind. 

 Temporal crests as in P. dorsulis. Diastema about 16 or 17 mm. 

 in adult specimens. 



Molar teeth very small, rounded, brachyodont. Breadth of m* 

 about 6 mm. ; height of the crown of m^ 3-5 ; p' elongate, two- 

 rooted, 3*5 to 3'8 mm. in horizontal length. 



' Good figures: De Blainv. Osteogr. iii. Hyrax, pi. ii. (this clearly is 

 P. arborea, and not P. dorsalis as stated by Gray) ; Gray, Hand-1. Edent. &c. 

 pi. xiii. fig. 2 (1873). 



