Suhspecies of PAViwerAii llavivittis, PtUrs, 311 



In another way the fine series from Lmnbo is of great 

 utilit}-, since it enables us to appreciate the constancy of 

 certain features in the pattern (apart from colour) of tlie coat. 

 Peters's Hi^ure shows an animal with very detinite facial 

 niarkino^s in the region between and below the eye and the 

 ear, and with a single light-coloured, very broad, long, and 

 well-defined stripe bordering tlie back on each side. These 

 features are faitli fully reproduced in each of the Lumbo speci- 

 mens, and there is no reason to doubt that they are essential 

 and characteristic elements of the coat-pattern in both P. f. 

 Jlavivitlis and P. f. mossambicus. In other species of Para- 

 .cevas, as now understood, the facial markings are quite incon- 

 .s[)icuous or absentj while the lateral dorsal stripe on each side 

 is reduced to such a degree that it is almost imperceptible. 



Two specimens in the British Museum come from localities 

 considerably to the north of Lumb) (15° S.) and Mossimboa 

 (11° S.), one coming from Kilwa Kisiwani (9° S.), the other 

 trom Mombasa (4° S.). Differing from each other, as well as 

 from true fldvivittis and/, mossambicus, the northern specimens 

 ;ippear to represent two subspecies oi Jiavivitfis, interesting 

 both as members of a continuous series of geographical races 

 and as subspecies which tend to lessen t!ie gap between true 

 jIiLvivittis and more normal species of Paraxerus. They may 

 be described as tbllows : — 



Paraxerus Jlavivittis exgeanus, subsp. n. 



Hah. — Kilwa Kisiwani, ex-German East Africa. 



Type. — Xu. adult male in bright ))elage (B.M. 19. 4. 14, 3), 

 collected March 8, 1918, and presented to tlie British Museum 

 by Major C. H. B. Grant. 



This form differs from both the southern subspecies by 

 Laving the lateral dorsal stripe on each side much narrower 

 and the thoracic ochraceous numtie much less developed. 



LJ])per surface (to|) of head and the whole back to root 

 of tail) clothed with a fine grizzle of black or dark brown 

 and "dull ochraceous, tlie general effect being, in the lumbar 

 region, near mummy-brown, (^n the top of the muzzle and 

 towards the root of the tail the ochraceous hair-tips are more 

 abundant, sensibly brightening the general colour ; in the 

 neighbourhood of the sliouiders and withers they are still 

 more extensively developed, producing a perfectly distinct 

 though not a conspicuous dorsal mantle. The lateral stripe 

 on each side of the back is mncli namuver and somewiiat 

 shorter than in mossambicus ; where broadest it measures no 

 more than 5 mm., instead of 9 or 10 mm. as in the southern 

 form ; the colour of the stripe is white posteriorly, faintly 



