KUNGL. SV. VET. AKADEMIENS HANDLXNGAR. BAND 48. N:0 5. 



171 



The horns of my old buck are well developed, although no records they mea- 

 sure along the front curve about 31 cm. with a basal circumference of 13 Va cm., 

 and a distance between the tips of 6 Va cm. 



Concerning the skull Neumann says that the nasals and premaxillaries of the 

 typical L. walleri are much shorter than those of L. sclateri. Fortunately in this 

 case he gives the dimensions of these bones in two specimens of L. walleri, and one 

 L. sclateri. These measurements which are quoted below are said to be derived from 

 old male skulls as also is the case with mine. 



L. sclateri cf 

 from Berbera 



(Neumann) 



Length of premaxillary . . . , 



Length of nasals 



Length of upper molar series . 



My specimen 



from Guaso 



Nyiri 



mm 

 66 

 74 

 56 



mm. 

 60 

 61 

 52 



L. walleri cf 

 fromPangani 



(Neumann) 



mm. 

 55 

 49 

 46 



L. walleri 



from 



Kibayo 



mm. 

 57 

 54 

 51 



Prom this may be seen that my specimen occupies an intermediate position 

 between L. walleri and L. sclateri with regard to these measurements as well which 

 thus confirms the supposition expressed above concerning the subspecific value only 

 of L. sclateri. 



For the benefit of a future comparison of other cranial dimensions as well, of 

 specimens from different localities the following measurements of my adult specimens 

 from Guaso Nyiri are recorded. 



Greatest length of skull (occiput to tip of premaxillary) 



Condylobasal length of skull 



Basicranial » » » 



Greatest breadth » » 



Least interorbital breadth 



Distance from orbit to tip of premaxillary 



» » » » occiput 



Length of upper molar series 



If Brooke's figure of a male skull of the typical L. walleri^ is correct, the 

 distance between the proximal end of the premaxillary and the nasal is considerably 

 greater than is the case in my specimen in which this distance is only 7 mm. which, 

 of course, stands in connection with the somewhat longer premaxillary in this inter- 

 mediate form. 



The skull of the Gerenuk displays several very interesting peculiarities to which 

 I will pay attention at another opportunity. 



* Eeproduced in »Book of Antelopes* 1. o., p. 231, 



