MAMMOrifS AM) M iSTOpOXS 



11 



finely rt'j)r('S(Mitc(l in llic AiiKM-icnii Miiscuiii !)>■ the lar^c iikiK- skull I'loiii 

 W'liihiKin Co., WasliinutoiK and female skull iroiii Dallas, Texas. 



The Imperial Elephant, Klcpha.s unpcrutor Leidy, is a si ill larger species, 

 witli decidedly coarser enamel plates in llie lirindinu leelli, and <ii<ia!it ic 



After Osborn 



Fig. 4. Skull and jaws of Columbian elephant (male) from Whitman Co., Washington. 



About one-tenth natural size. 



tusks. It attained a size equal to the largest living African elephants, the 

 height at the back between twelve and thirteen feet, the tusks ten inches 

 in diameter and measuring 13 ft. 6 inches along the outer side of the curve 



