PLATE 



All figures three-fourths natural size. 



Mastodon floiidaniis. 



■ Associated with molar shown in plate i. fig. 2. 



First upper left true molar. 



First upper right true molar. 



First lower left true molar. From same individual as fig. 5. 



First upper right true molar. From same individual as fig. 6. 



First upper left true molar. From same individual as fig. 3. 



Second upper right true molar. From same individual as fig 4. 



