568 



PROCEEDINGS OF THE NATIONAL MUSEUM 



80.9, 81.8; crown length of upper toothrow 35.3, 34,4; least interor- 

 bital width 21.8, 25.2; least postorbital width 25.8, 26.0; greatest width 

 across zj^^gomatic arches 47.3, 51.8; length of nasals 20.0, 21.0. 



Figure 9. — Distribution of Ictonyx, Felts," and Procavia in_the Anglo-Egyptian Sudan. 



(Scale: 1 inch— 400 miles.) 



Remarks: These specimens are pale gray in general over-all color 

 and have a rather large orange colored dorsal spot. 



The nominate race^majcbe differentiated from marrensis by some- 

 what smaller size, posterior choanae more flaring, auditory bullae 



