MAMMALS OF ANGLO-EGYPTIAN SUDAN — SETZER 567 



Cranially, ehneri differs from ruficeps in that the frontals are not so 

 inflated, the rostrum is narrower, the posterior choanae are not so 

 flaring, and the auditory bullae are larger. 



Procnvia ruficeps marrensis Thomas and Hinton 



Figure 9,d 



Procavia ruficeps marrensis Thomas and Hinton, Proc. Zool. Soc. London, p. 271, 

 July 6, 1923. (Central part of Jebel Marra, Darfur.) 



Specimens Examined: Twenty-three, all in BM, from: Niunnya, 

 5; foothills of southern Jebel Marra, 2; 60 miles northeast of El Fasher, 

 1 ; Jebel Owi, 3; central Jebel Marra, 1 ; Kulme, Wadi Aribo, 2; Zalingei. 

 5 ; 35 miles northeast of El Fasher, 3 ; Jebel Meidob, 1 . 



Measurements: An adult male and an adult female from Niurmya 

 measure, respectively, as follows: Length of head and body 508, 534; 

 length of hind foot 70, 67; length of ear 27, 29; condyloincisive length 

 of skull 86.6, 90.0; crown length of upper toothrow 35.2, 34.5; least 

 interorbital width 22.7, 24.1; least postorbital width 25.8, 24.6; 

 greatest width across zygomatic arches 53.2, 53.1; length of nasals 

 21.7, 25.7. 



Remarks: The dassies from the Jebel Marra are quite dark in 

 general color. The dorsal spot, or gland, is virtually indistinguishable. 

 This spot, when visible, is orange colored as in other members of the 

 species. 



Specimens from the vicinity of El Fasher and Zalingei are noticeably 

 paler in color than are the ones from the Jebel Marra. The dorsal 

 gland is more pronounced but not so large as in ri/^cgps. I consider these 

 animals as intergi-ades between rvjiceps and marrensis but referable to 

 the latter because of their generally darker tone than is found in 

 ruficeps. In cranial featm-es they more nearly resemble marrensis. 



The skull is larger, the rostrum is wider, the ventral foramen en- 

 closed by the zygoma is larger, the upper toothrow is generally longer, 

 the auditory bullae are larger, and the posterior choanae are less 

 flaring in marrensis than they are in ebneri. 



Procavia ruficeps ruficeps (Hemprich and Ehrenlierg) 



Figure 9,d 



Hyrax ruficeps Hemprich and Ehrenberg, Symbolae physicae, Zool., Mamm., dec. 

 1, folio h, pi. 2, August 1832. (Dongola.) 



Specimens Examined: Thirteen, all in BM, from: Shabluka Hills, 

 1 1 ; Khor Ai'bat, 1 ; Sinkat, 1 . 



Measurements: Two adult males from Shabluka Hills measure, 

 respectively as follows: Length of head and body 460, 470; length of 

 hind foot 66, 67; length of ear 32, 30; condyloincisive length of skull 



