1885.] NATURAL SCIENCES OF PHILADELPHIA. 187 



ending in a mere book. The condition is not unlike that seen in 

 Megaceros. 



The Nasals are intermediate in size and shape between those of 

 C'ervus and Alces. In 0. canadensis these bones are about j£ the 

 entire length of the skull, in the moose a little less than £, in 

 Gervalces ^. In length, in their narrower and emarginate free 

 ends, the nasals are like those of the true deer, but resemble those 

 of the moose in not being so flat, but having the upper and lateral 

 parts meeting at nearly a right-angle. The nasals in the fossil are 

 in contact throughout their entire length, not having their pos- 

 terior ends separated by the wedge-shaped process of the frontals, 

 as is the case in the moose. These posterior ends are sharper 

 and less abruptly truncated than in the latter animal. 



The length of the nasals and shape of the anterior nares in 

 Gervalces show that if the animal possessed a proboscis-like snout 

 at all, it could not have been anj'thing like as prominent and well 

 developed as in the moose ; such a proboscis being always accom- 

 panied by a great shortening of the nasals, as in the elephant, 

 tapir, moose, Sivatherium, etc. 



The Frontals present us with another difference from the moose 

 and resemblance to the deer. As in both genera, there is an 

 abrupt depression of the forehead in front of the antlers, but this 

 is less than in Alces. In the latter there is a sharp knob on the 

 ridge connecting the pedicels of the antlers, but in the fossil this 

 knob is but faintly indicated. The forehead is broader and the 

 orbits more projecting than in the moose, in both respects show- 

 ing approximations to the cervine type. 



The Lachrymal is of the ordinary size and shape, but the pit is 

 unusually shallow. The ante-orbital vacuity is more quadrate in 

 shape than is the case in Alces. The upper edge of this vacuity 

 is bounded by a small distinct bone which I have not been able 

 to find in any other of the Cerridee, though what looks like a 

 rudiment of it is attached to the nasal in the moose. The bone 

 in question articulates with the nasal, frontal and maxillary ; 

 thus in position corresponding to the prefrontal, though morpho- 

 logically it may be a separated portion of the nasal. It is hardly 

 probable that this is a mere sport, as the bone is present on both 

 sides, and is certainly a great peculiarity. (Fig. 2, P. F.) 



The Jugal has more the shape of that in Cervus than that of 



