462 



Annals of the Carnegie Museum. 



ences between the two skulls, and they supplement each other very 

 well. 



Below is given a summary of the distinguishing characters of Dro- 

 moineryx as they now appear : 



The size was greater than that of an ordinary specimen of Odocoileiis 

 americana or Antilocapra americana, at least the bones are heavier. 

 The skull is long and the crest of the occiput is produced backward. 

 The face is quite long, the orbit is large, and the malar below the 

 orbit projects outwardly. The horn-cores are large and simple, and 

 they expand outward below into heavy lateral wings behind the upper 



Fig. r. Dromomeryxborealis{Q.o^&^. No. 8132, American Museum of Natural His- 

 tory. The specimen marked "Type." One fourth natural size. 



portions of the orbits. They stood nearly perpendicular to the upper 

 plane of the skull. There are no lachrymal pits. There is a slit or 

 oblong vacuity in the upper portion of the face anterior to the orbit. 

 The parieto-temporal suture is below the middle of the brain-case. 

 The basi-cranial axis forms a considerable angle with the basi-facial 

 axis. The palate is quite broad between the cheek teeth, but is narrow 

 anterior to them. The mandible is long and not deep and it curves 

 downward beneath the molars and premolars. The teeth are brachyo- 



