612 ZOOLOGY. 
allied to the European bison, (Bison Huropeus Owen), the 
“‘auroch,” now preserved in the forests of Bialowicza, and 
living wild in Caucasus. Bos primigenius Bojanus, which 
Fig. 631.—Musk Sheep.—From Brehm’s Thierleben. — 
in the time of Cesar lived in Germany and England bear- 
ing the name “urns,” is the ‘‘ur’ of the WNibelungen 
song. From it has descended the half-wild cattle in certain 
