36 CATALOGUE OF UNGULATES 



hocks or below. Horns, black, relatively long and slender, 

 curving upwards, forwards, and inwards, set well forward on 

 the relatively flat and broad forehead. Mane of males in 

 summer coat curly, moderately long, and not extending very 

 far back on body, leaving the thickly fringed ears free, and 

 forming a larger and thicker mass on head, neck, throat, and 

 middle line of chest. In females restricted to nape, forehead, 

 middle of lower part of face, and median line of chest. 

 Colour brown, with a tinge of plum-colour. 



The species, which is divided into the two undermentioned 

 races, was formerly spread over a large part of Europe, but is 

 now restricted to the Bielowitza Forest of Lithuania (Grodno) 

 and the Caucasus. The last East Prussian bison was killed 

 in 1755. 



A. Bos bonasus bonasus. 



Characters those given under the heading of the species. 

 Now restricted to the Bielowitza Eorest of Lithuania. 

 45. 10. 13. 1. Skin, mounted. Bielowitza. 



Presented by the Tsar of Russia, 1845. 

 45. 10. 13. 2. Skeleton, mounted. Bielowitza. 



Same history. 



* * * *. Immature male, mounted in recumbent posture. 

 Bielowitza. No history. 



B. Bos bonasus caueasius. 



Bison bonasus, var. caucasia, Greve, Zool. Beobachtungen, vol. xlvii, 



p. 269, 1906. 

 Bison caucasicus, Hilzheimer, Mitt. ~k. Nat.-Jcab. Stuttgart, 1909, 



p. 252 ; Trouessart, Faune Matnm. Europe, p. 243, 1910. 

 Bos bonasus caucasicus, Ward, Records of Big Game, ed. 6, p. 433, 



1910 ; Lydekker, The Ox and Its Kindred, p. 215, 1912. 

 Bison bonasus caucasicus, Filatov, Mem. Ac. Sci. St. Petersb. 



vol. xxx, No. 8, 1912. 



Typical locality Caucasus. 



Very similar in external appearance to typical race, but 

 perhaps somewhat more lightly built, with less long hair on 

 the fore-quarters. No distinctive characters given by Greve 

 when naming this race. According to Hilzheimer, the skull, 

 although it retains the heavy hind portion of the mandible 

 of the typical race, approximates in many features more 



