1879. | Scientific News. l 798a 
rof. Cope has recently returned from an extended trip to the 
Pacific coast. Going and returning he made excursions into 
Clade to the fields explored by him in 1873, and to the Juras- 
sic beds of the Rocky mountains which have yielded the remains 
of the most gigantic of Jand vertebrata, the Opistho cela. Desi- 
rous of ascertaining whether, after an interval of six years, a once 
n twic 
since his Scien of 1873, hence a short stay was thought to 
hem nearly complete skeletons. Such were found of species of 
ee Dabbpobherivn Oreodon, Hoplophoneus ; there were 
merous jaws a Temnocyon, Amphi hicyon, Dinictis, Meso- 
a Sus many Rodentia. After a further successful search in 
p Fo T horizon, which yielded, among other things, 
Pindahna EA the outfit returned. The weather was 
l ead had to be cut with a hatchet, and water thawed out 
At the Jurassic beds, measures were taken for the n 
exhumation of Camarasaurus. Some fine specimens of a ca 
nivorous Dinosaur of the genus Aypsivophus were obtained, fa 
the greater part of the skeleton of Amphicelias altus was secured, 
o 
ope visited the Lower Miocen John Day 
region of Oregon, the of y recent exp ions 
pa had pene SUCCESS, a arly ae ie the 
locality. A other interesting specimens, the obtained 
M. strigidens Cope, of small size; and others of older type and 
arger size, which are described below. The skull of the pe 
phoneus platycopis was observed Pye the members of the 
under J. L. Wortman) perched on a pinnacle of an almost i fae 
sible ela and several fruitless attempts to reach it were 
n Leander Davis, an experienced ae 
secured the prize, which is, so far as known, unique in Prof. Cope 
collectio 
The mos remarkable species of fossil cat is the Archelurus 
i 
debilis Cope, gen. et sp. nov. eneric characters: Dentition, 
4, M. 3; m l ith the anterior: face 
of the symphysis separated from the lateral face by le 
which is no duced dow ior sectorial without 
anterior lobe ; inferior sectorial with heel. The characters place 
Archelurus at the base of the Fede, showing that it is the most 
generalized form yet known, and about equally related to the © 
feline and Machzrodont series. Char. specif.: General structure 
of the jaws, weak; superior canine, small, little compressed, with 
