lG-4 General Notes. 
which is not wider than the internal base, the reverse of what is seen 
in the Alces brevitrabalis. The beam soon becomes compressed, 
especially on the antero-external edge (above the brow-antler), and 
in the specimen where it is best preserved, it is quite acute. In 
neither specimen is there any indication of a bezantler. The longer 
specimen may be possibly young, but its surface is strongly keeled 
and furrowed. The burr consists of acute edges connecting sharp 
points. The other specimen is smoother and rather more robust. 
It shows no indication of the expansion of the species referred to 
Alces, which it would do were it proportioned as in the A. brevitra- 
balis. 
lated length of brow-; 
eters beam .ogo M. 
': the brow-antler are different from those of any known 
species of the genera. I suppose it to be one of the Telemetarcapi 
solely from its resemblance to the Alces here described. 
Several species have been found in localities not far removed 
from those mentioned, and in beds possibly of the same geological 
age. As it is not yet possible to determine with accuracy the ages 
of these fossils, I only refer to them. Such are an Aphelops from 
the valley of Toluca, Mexico ; and Mastodon americanus and M. 
serridens from S. W. Texas. 
The close parallelism between the faunae at the three localities is 
seen in the probable and ascertained identity of several species in 
the lists of each. The following species have been found in the two 
regions most remote from each other, the valley of Mexico and the 
Oregon Desert. 
Eschatius conidens Cope. 
Holomeniscus hesiernus Leidy- 
Equus excelsus Leidy. 
Elephas primigenius Blum. 
Of these, the Equus excelsus, and Elephas primigenius have been 
found in S. W. Texas. These species, with the Equus barcenai, E. 
crenidens, and probably the Glyptodon petaliferus are common to the 
last named locality and the valley of Mexico. 
The horizon to which these beds should be referred was held by 
King to be the Upper Pliocene. I have coincided with this opinion 
on palaeontologic grounds, since the fauna presents a much greater 
diversity from that now inhabiting North America than that of the 
Plistocene beds of Europe exhibit when compared with the existing 
