455 



Photo hy P.duiuiul If,-] In: 



Fig. g8. Part of the buffalo herd crossing the Lamar River in September, 

 the huge old bulls leading the waj'. 



Photo hy Ediniiiid HcIlcr. 



Fig. 99. Old bison bulls held temporarily in the big corral at Mammoth in 

 midsummer. These bulls approximate a ton in weight and are swift and 

 dangerous antagonists. 



