Geology and Falceontology. 163 
In No. 2 a tuberosity on the external face of the beam a short 
distance above the base, represents the brow-antler. 
As compared with the year-old moose of which a figure is given 
by Prof. Baird (Kept. U. S. Pacific R. R. Exped. IX, p. 632), these 
horns differ in the relatively shorter and more compressed beam, 
with the less expansion of the portion immediately distad to the bez- 
antler. 
This species of elk is known to me from a basal portion of a 
horn of a larger mdividual, and the corresponding part of a smaller 
one. The larger specimen is considerably smaller than the adult of 
the A. brevitrabalis, representing a species of about the size of the 
black-tailed deer (C. macrotis), while the latter is as large as the 
Cervus canadensis. It differs from the A. breviirabalis in the rela- 
tively and absolutely longer b«am, and the relatively greater expan- 
sion at the base of the bezantler. The general characters are other- 
wise much as in that species. The beam is compressed, with the 
external face truncate, and the bezantler directed outwards in the 
plane of the beam. The burr is very prominent, consisting of a rim 
of confluent tubercles. The beam is smooth on the sides, but has 
several tubercles on the external border. Unfortunately the beam 
is so split that its transverse diameter can be only surmised, from the 
curves of its surface. 
• Measurements. 
Length of beam to ba 
Long diameter of bezantler at base .035 
Besides the greater length of the beam, its expansion near the 
base of the bezantler and away from it, is greater than in the larger 
species above described, and the concavity of the surface is wider. 
From Whitman Co., Tacoma, Dr. G. M. Sternberg, U. S. A. 
CaRIACUS ENSIFER, sp. nOV. 
This deer is represented by the beams of the horns of two indi- 
viduals of probably different ages. In one of them a considerable 
part of the beam is preserved, so that a good idea of its characters 
may be obtained. It differs from both of the other species described 
in the presence of a short brow-antler, which originates exactly at 
the base of the beam, and is directed horizontally. It is depressed 
and not very long, and is accompanied bv a twin process at its base, 
with which it is united by a horizontal lamina or palmation. The 
beam is, like that of the species already described, compressed, with 
a flattening of one edge, that immediately above the brow-antler. 
A similar flattening characterizes the base of the external edge, 
