122 Field Columbian Museum — Zoology, Vol. i. 



IN'CHES. 



Total length of skull 7.85 



Anterior rim of orbit to tip of premaxilla 3.60 



Lower rim of orbit to the alveolus of third upper i^olar i.io 



Length of nasals i .70 



Anterior end of nasals to tip of premaxilhe 2.00 



Posterior end of nasals to fronto-parietal suture 2.40 



Anterior edge of external auditory meatus to supraoccipital . . . i.^g 



Parietal suture to supraoccipital 90 



Width of skull anterior edge of orbit 2.10 



Extent of upper premolars 75 



" " " molars 1.30 



" " " premolars 70 



" " " molars i.io 



Length of premaxillte 2.35 



" " diastema of the lower jaw 1.35 



Circumference of horn at base 3.30 



Length of horn along curve 10.50 



Gazella soemmerringii (Cretzschm). 



Gazella soemmerringii. Soemmerring's gazelle. Native name^ 

 A Old. 



a.-b. $ ad. Durban. 

 c. $ Hand. 



d.-f. $ ad. Hersi Barri, Ogaden. 



g.-i. 9 ad. Hersi Barri, Ogaden. 



j.-n. $ ad. Silo Plain. 

 0. $ juv. Silo Plain. 

 /.-;-. 9 juv. Silo Plain, 

 i-. 9 juv. Silo Plain. 



This fine animal has become scarce in most parts of Guban. 

 A few years ago it was very plentiful in the Maritime Plain, but 

 was so persecuted by hunters of every degree that at the 

 present day it has retired into the interior, and is not met with 

 in any numbers until the country south of the Golis Range is 

 reached. The Aoul is not a graceful animal, nor is it built on 

 fine lines, the short neck, rather clumsy head and heavy body 

 giving it a very different appearance from the idea generally 

 entertained of the light-footed gazelle. This species goes in 

 herds, sometimes several hundred are seen together, and natu- 

 rally it is not particularly suspicious or wild, but of course when 

 much persecuted the animals become very wary. They are 

 apparently independent of water, and are frequently met with 

 many miles from the place where it might be obtained. The 

 entire country is so destitute of water that under the most favor- 



