EXPLANATION OF PLATES 



Plate 1 



Elephas roosevelti Hay. Right upper third molar seen from right side. 



Type. X. 465. 



Plate 2 



Elephas roosevelti. Right lower third molar seen from right side. Type. X. 487. 



Plate 3 



Elephas roosevelti. 



Fig. 1. Lower right third molar. Type. X. 487. 



2. Three ridgeplates of right upper third molar. X.l. 



3. Four ridgeplates of right upper molar. Slightly farther back than 



those of fig. 2. XI. 



4. Upper right second molar. Much worn. X. 51. 



Plate 4 



Elephas roosevelti. Upper teeth and palate of specimen in Public Museum, 



Milwaukee, Wis. 



FiQ. 1. Palate and upper second molars seen from below. Front end of teeth 

 directed downward. X .2. 

 2. Same specimen as that of fig. 1. Viewed from right side and showing 

 second and third upper molars. On the right side is a part of the 

 sheath of the tusk. X. 36. 

 6 



o 



