ses 
Mesozoic and Cenozoic Geology and Paleontology. 99 
“pumilus, Helohyus plicodon, Thinotherium validum, Passalacodon 
litoralis, Anisacodon elegans, Centetodon pulcher, Stenacodon rarus, 
Antiacodon venustus, Bathrodon annectens, Bb. typus, Mesacodon 
spectosus, Hemiacodon gracilis, H. nanus, H. puciilus, Centetodon 
altidens, Hntomodon comptus, Entomacodon minutus, Centracodon 
delicatus, Nyctilestes serotinus, Ziphacodon rugatus, Harpalodon 
sylvestris, H. vulpinus, Orotherium uintanum, Helaletes boops, 
Paramys robustus, Tillomys senex, T. parvus, T. lucaris, Sciuravus 
‘ parvidens, Colonymys celer, Apatemys bellus, A. bellulus, Entomaco- 
bea: A 
don angustidens, Triacodon grandis, T. nanus, EHuryacodon lepidus, 
Paleacodon vagus, Aletornis nobilis, A. pernix, A. venustus, A, bellus, 
A. gracilis, Uintornis lucaris, Thinosaurus agilis, T. crassus, T. 
grandis, T. leptodus, T. paucidens, Glyptosaurus princeps, Oreosaurus 
vagans, Tinosaurus stenodon, Glyptosaurus brevidens, G. rugosus, G. 
sphenodon, Oreosaurus lentus, O. gracilis, O. microdus, O. minutus , 
Tinosaurus lepidus, Iguanavus exilis, Tinoceras grandis, Dinoceras 
lacustris, and Oreocyon latidens. He described, from the Post- 
pliocene, near Bangor, Maine, Catarractes affinis, and from Monmouth 
county, New Jersey, Meleagris celer, and Grus proavus. Of the above 
list, it is stated by Cope thatthe new generic names are not generally 
defined. . 
Dr. Joseph Leidy* described, from the Bridger Group of Wyoming, 
Uintacyon edax, U. vorax, Chameleo pristinus, Lepidosteus atrox, L. 
notabilis, L. simplex, Amia gracilis, A. media, A. uintensis, Hypamia 
elegans, Pimelodus antiquus, Phareodus acutus, Hyrachyus nanus, 
Microsyops gracilis, Paleacodon verus, Hipposyus formosus, Paleo- 
syops junior, P. humilis, and Uintatherium robustum. © From 
the Niobrara Group, on the Niobrara river, in Nebraska, Felis 
angustus; from Green river, Oiigosomus grandevus; from the 
Black Foot country at the head of the Missouri, Tylosteus ornatus; - 
and from the Pliocene of Oregon, Hadrohyus supremus, Rhinoceros 
pacificus, and Stylemys oregonensis, 
Prof, F. B. Meek + described, from the Green River Group at 
Washakie, Wyoming, Unio washakiensis, and from Pacific Springs, 
Bythinella gregaria. 
T. A. Conrad{ described, from the Eocene of North Carolina, Ostre- 
nomia carolinensis ; and from the Miocene of the same state, Donazx 
idoneus. 
ee 
* Proc. Acad. Nat. Sci. 
+ Geo. Sur. of Wyoming. 
t Proc. Acad. Nat. Sci. 
