478 Annals of the Carnegie Museum. 



it may lead to confusion and misunderstanding to attempt to correlate 

 the minor divisions of the American strata with those of Europe. 

 The most of the fossils which are used in correlation appear, on closer 

 study, to have been wrongly identified. 



EXPLANATION OF PLATES. 

 Plate LIX. 



Dromomeryx borealis (Cope). One half natural size. (No. 827, Carn. Mus. Cat. 

 Vert. Foss. ) 



Plate LX. 

 Dromomeryx borealis (Cope). 



Fig. I. Left fore limb, front view. (No. 1542, Carn. Mus. Cat. Vert. Foss.) 

 Fig. 2. Left fore limb, external view. (No. 1542, Carn. Mus. Cat. Vert. Foss.) 

 Fig. 3. Humerus. (No. 827, Carn. Mus. Cat. Vert. Foss.) 

 Fig. 4. Tibia. (No. 1542, Carn. Mus. Cat. Vert. Foss.) 

 [All figures one fourth natural size. ) 



Plate LXI. 



'RGSiora.ixon o^ Dromoi?ieryx borealis [CoY>e). One twelfth natural size. (Restored 

 from specimens Nos. 827 and 1542, Carn. Mus. Cat. Vert. Foss.) 



Plate LXII. 



Dromomeryx americantis (Douglass). Type of the species, from the Lower Madi- 

 son Valley, Montana. (Carn. Mus. Cat. Vert. Foss. No. 705). 

 Fig. I. Top view of teeth. 

 Fig. 2. Outer view of mandible. 

 Dromomeryx borealis (Cope). (No. 827, Carn. Mus. Cat. Vert. Foss.) This man- 

 dible was associated with the skull which is figured on Plate LIX. 

 Fig- 3- Top view of teeth. 

 Fig. 4. Outer view of mandible. 

 Dromomeryx niadisonitis (Douglass). Type of the species, from the Lower Madi- 

 son Valley, Montana. (No. 755, Carn. Mus. Cat. Vert. Foss.) 

 Fig. 5. Top view of molars. 

 Fig. 6. Outer view of portion of mandible. 

 Paheomeryx bojana H. von Meyer. .Sansan, France. (No. 2263A, Carn. Mus. Cat. 

 Vert. Foss.) 

 Fig. 7. Top view of last molar. 

 Fig. 8. Outer view of same. 



( All figures natural size. ) 



Plate LXIII. 



Dromomeryx borealis (Cope). From Madison Valley, Montana. (No. 1542, Carn. 

 Mus. Cat. Vert. Foss.) 



Fig. I. Top view of molars and premolars. 



Fig. 3. Outer view of the same. 

 Dromomeryx americantis ? (Douglass). 



