382 Mr. K. Andersen on 



in young individuals, more rarely in full-grown, perhaps 

 never in very old. Lower p^ a little higher than autero- 

 exterior cusp of w^. 



Measurements. — Below under Bh. augur zamhesiensis. 



Type. — ^ ad. (skin). Kuruman, Bechuanaland, 4000 feet, 

 collected by l\v. K. B. Woosnam, April J 9th, 1904. B.M. 

 no. 4. 10. 1. 1. Original no. 26. " Caught in an old mine ; 

 of fifteen taken there was only one female.''' 



Dislrihution. — Specimens have been examined from the 

 following localities : — Zuurbron, Wakkerstrom, S. Transvaal 

 (1 specimen in alcohol) ; De Kaap, S. Transvaal (2, alcohol) ; 

 near Kriigersdorp, S. Transvaal, 4900 feet (6 skins) ; 

 " Transvaal '' (1, alcohol) ; Vredefort Road, N. Orange River 

 Colony (1, alcohol ; 2 skins) ; Kuruman, Bechuanaland, 

 4000 feet (8 skins). It will probably be found generally 

 distributed over the whole of that part of South Africa 

 which is irrigated by the Orange River and its confluents 

 (" Orange River Area," in the zoogeographical sense of that 

 term). 



HtmarTis. — The present species has been confused with 

 nil. ferrvm-equinum and Eh. capensis to such extent that it 

 will be difficult to disentangle its synonymy without examina- 

 tion of the specimens recorded in literature. Uh. capensis 

 differs mainly in the following points : — It is much smaller: 

 forearm 49*5 mm. (average of eleven specimens), against 56 

 in lili. augur; the ears much longer (20'5 mm. from base of 

 inner border) and broader (16*7 mm.); tip of the ear obtusely 

 pointed ; sella only very slightly narrowed in the middle, its 

 lateral margins subparallel in their upper half; posterior 

 connecting-process shorter, its upper margin concave ; all 

 metacarpals and finger-joints much shorter, therefore the wing 

 very much narrower in antero-posteiior dn-ection ; even a 

 badly prepared skin of Rh. capensis, in which the shape of 

 the ears and nose-leaves is unrecognizable and the length of 

 the tail not to be relied upon^ can always be at once distin- 

 guished from Bh. augur by taking the measurement of the 

 2nd joint of the 3rd finger (22-26 mm., against 28-7-32 

 in Bh. augur) ; the tail remarkably short (20*8 mm.), only 

 about the same length as the tibia, far shorter than the 2nd 

 joint of 3rd finger, &c. The skull of Bh. capensis is slightly 

 smaller; the nasals more swollen ; the auditory bullae larger ; 

 the basioccipital therefore still narrower ; the tympanic ring 

 larger. As far as the available material goes, Bh. capensis 

 seems to be restricted to the icestern part of the Cape Colony^ 

 as far north as the mountains on which the coast-rivers 

 spring, eastwards to Winter-Bcrgen, 



