1891.] Geology and Paleontology. 47 
that I have examined. The orbit is very small, terminates anteriorly 
above the anterior border of the second superior molar ; the post-orbital 
processes are well marked. The facial region of the skull is very short, 
compared to the total length of thecranium. The nasals are very long 
and heavy; their distal portion is expanded and broader than the 
middle part. The nasal notches are very deep and high. The pre- 
maxillaries are triangular in outline; their symphysis is short and nar- 
row, with a prominent anterior keel. The canine alveolus is very 
prominent. The palate is long and narrow, the roof of the same being 
strongly arched. The posterior termination of the palate is at the 
second superior molar. The incisive foramina are not divided. 
Teeth.—The crowns of the teeth in this skull are badly damaged, 
but enough remains to give the total measurements and the characters 
of the last molar. The superior molars in this species form a 
continuous series, being not interrupted by a diastema. The sections 
of the incisors are very small. The canines are also very small, and di- 
verge widely. Only the second and third molar of each side are par- 
tially preserved. They have a square form with low crowns; externally 
they are totally without a cingulum. The external V’s are rather wide 
and angular, in this respect approaching that of Telmatotherium. 
The last molar is without any intermediate conules. 
Measurements.—1. Length of skull, from premaxillary symphysis 
mere: post elend e as a iS ke A Ae 
2. Length from orbit to premaxillary symphysis. .  . . . .125 
$- Length: fam.orbit to post-glenoid i: o iis S e a EA .160 
e SCI GE a notch s has ee i .084 
pene ot pab ta ee Bate oven . 100 
0 BuGre molar Sreo se NE ee -148 
7- Last super. molar P RE ee E E a 037 
a Se a ee PT re eat - +039 
E. M. Museum, Princeton College. CHARLES PARLE. 
On Two New KERES from the White-River 
Neocene of Nebraska.—Dr. art Hare, of the University of 
Pennsylvania, recently presented to es Museum of the University a 
collection of fossils from the White-River Neocene beds of Northern 
Nebraska. This includes parts of skeletons of Stylemys nebrascensis 
Leidy, and Menodus americanus Leidy, with some others, among which 
are two species evidently new to science. One of these is a rhinoceros 
of the genus Ccenopus Cope, of larger size than any of those hitherto 
: _ known, and the other is a remarkable species of Menodus, which is 
