248 Mr. W. E. de WInton on 



The most marked differences in the skull compared with 

 77. gracilis are its shortness, the less developed occipital and 

 sagittal crests, the postorbital processes not joining, the 

 sliorter tooth-row (measurement of entire tooth-row about 

 equalling that from tl)e front of the canine in 77. gracilis) , 

 teeth individually smaller (especially the carnassial and first 

 molar), last molar longer in proportion to the first, and the 

 greater vertical depth of the auditory buUse ; in the mandible 

 ihe most striking difference is the much shorter angular 

 process, the measurements from the front of tlie jaw to the 

 condyle and to the angle being practically equal. 



(4) Ictonyx erytJircea, sp. n. 

 Size smaller than the Cape Zorilla (7. zorilla). Colour and 

 pattern of the markings generally as in that species ; the 

 suboral white patch, however, is rather more extensive, and 

 the black dorsal stripe does not widen out quite so much over 

 the loins. 



The specimen contained in the present collection was ob- 

 tained at Habr Heshi (4000 feet), Marehan Country, S.E. 

 Somaliland, Aug, 24th. Tliis being a flat skin, it is thought 

 advisable to select as the type of the species another example 

 from the collection of the British Museum (no, 93. 6. 7. 4), $ , 

 from Suakin, presented by Surg.-Capt. R, H, Penton. 

 Measurements (taken from dried skin) : — 

 Head and body (c.) 335 millim, j tail (c.) 255 ; hind foot 

 (c) 46. 



Skull: greatest length 55*5; greatest breadth 33*5 ; brain- 

 case 28*9; intertemporal constriction 14*5 ; basal length 51; 

 length of entire tooth-row 21*5 ; greatest breadth outside 

 teeth 20 ; length of carnassial (outside) 6 ; breadth of molar 6 ; 

 mandible, length (bone only) to condyle 34"5, to angle 33'2. 



The shape of the skull generally as in 7. zorilla^ differing 

 only in size. The front of the palate is scooped out, forming 

 a shallow sinus, in which the incisive foramina are placed. 

 The carnassial tooth is shorter in proportion and the molar 

 narrower, especially internally. 



The specific name cliosen is intended to express some idea 

 of the range of this species. The third form of this group, 

 7. senegalensis, extends across the continent to Lado on the 

 Nile, and into British East Africa as far as Machakos, where 

 it has been obtained by Mr. F. J. Jackson. 



(5) Cams lujjasier, Hempr. & Ehrenb. 

 a. Edegan (5000 feet), 130 miles south of Berbera, 

 20th June. 



