180 J. B. Hatcher — Recent and Fossil Tapir 



EXPLANATION" OF PLATES. 



Plate II. 



Figure 1. — Side view of skull of Protapirus validus, $ natural size. 

 Figure 2.— Top " " " " " 



Figure 3.— Bottom " " " " " " 



Figure 4. — Crown view of inf. dentition of same, f natural size. 



Plate III. 



Figures A, B, C, D, E. — Comparative series of nasals of E. dowi and E. bairdii 

 Figure 2. — Inside view of young lower jaw of Colodon occidentalism showing 



milk and permanent teeth. 

 Figure 3. — Crown view of inf. dentition of Colodon dakotensis. 

 Figure 3a. —Ungual phalanx of Colodon dakotensis. 

 Figure 4. — Crown view of sup. m. 3 of Colodon sp. 

 Figure 5&5a. — Side and crown view of inf. dentition of Protapirus simplex. M. 



3 dropped down in each to accommodate size of plate. 

 Figure 6. — Crown view of inf. dentition of Colodon occidentalis. 

 Figure 7. — Crown " " milk dentition of " " 



Plate IV. 



Figure 1. — Crown view of sup. dentition of Tapirus terrestris, f nat. size. 

 Figure 2. — " " " " roulini, " " 



Figure 3. — " u " " indicus, " " 



Figure 4. — " " of Elasmognathus bairdii, " " 



Figure 1 a. - Top view of nasals and crest of Tapirus terrestris, -^ nat. size. 

 Figure 2a. — " " " " " roulini, " " 



Figure 3a. — " " " " " indicus, " " 



Figure 4a. — " " " " Elasmognathus bairdii, -^ nat. "size. 



Plate V. 



[All figs, i nat. size.] 



Figure 1. — Side view of Tapirus terrestris. 



Figure 2.—- " u roulini. 



Figure 3. — " " indicus. 



Figure 4. — " Elasmognathus bairdii. 



