126 Cincinnati Society of Natural History. 
nus paloregonus; and from a lacustrine, Post-pliocene deposit in Van- 
denburg county, Indiana, Cariacus dolichopsis. 
Messrs. Henry F. Osborn, Wm. B. Scott, and Francis Speir, Jr.,* 
described, from the Eocene of Wyoming and Colorado, Megencephalon 
primevus, Leurocephalus cultridens, Hyrachyus imperialis, H. inter- 
medius, H. crassidens, Helaletes latidens, [Ithygrammodon cameloides, 
Uintatherium leidyanum, U. princeps, Paramys superbus, Crocodilus 
parvus, and Tricophanes copet. 
J. A. Allen} described, from the insect bearing shales of Florissant 
Colorado, Paleospiza bella. 
Prof. Leo Lesquereux{ described, from the Pliocene Chalk bluffs of 
Nevada county, California, Sabalites californicus, Betula aequalis, 
Fagus pseudo-ferruginea, Quercus nevadensis, Q. distincta, Q. 
geppertt, Y. royana, Y. pseudolyrata, Castaneopsis chrysophylloides, 
Salix elliptica, Platanus appendiculata, P. dissecta, Liquidambar 
californicum, Ulmus californica, U. pseudofulva, Ficus sordida, F. 
tiliaefolia, Aralia whitneyt, A. angustiloba, Cornus kelloggi, Magno- 
lia lanceolata, M. californica, Acer aequidentatum, Zizyphus micro- 
phyllus, Z. piperoides, Rhus mixta, R. myrciaefolia, Juglans cali- 
Fornica, J. laurinea, J. egregia; from Table mountain, Tuoloumne 
county, Quercus elenoides, Q. convexa, Salix californica, Ulmus 
affinis, Ficus microphylia, Persea pseudo-carolinensis, Cornus ovalis, 
Acer bolanderi, Iiex prunifolia, Rhus typhinoides, Rh. bowenana, R. 
metopioides, Rk. dispersa, Cercocarpus antiquus ; and from Oregon, 
Xanthoxylon diversifolium, Juglans oregoniana, and Quercus bow- 
enanda. 
Prof. W. H. Dall§ described, from the Pliocene of California, Axine 
profunda, Pecten expansus, P. hemphilli, P. stearnsi, Anomia limatula, 
and Scalaria hemphitlli. 
In 1879, Dr. A. C. Pealel| found the Wasatch Group in the Green 
river basin resting unconformably upon strata from the Silurian to 
the Laramie: along the southwestern slopes of the Wind River moun- 
tains, upon the granitic rocks; south of Thompson plateau upon the 
Jurassic rocks of Meridian ridge; and north of Thompson plateau on 
Jurassic, Cretaceous and Laramie beds. The strata along the south- 
western slopes of the Wind river mountains were evidently derived 
* Pal. Rep. Princeton Sci. Exped. 
} Am. Jour. Sci. and Arts, 3d ser., vol. xv. 
t Rep. Foss. Plants Aurif. Grav. Deposits. 
2 Proc. U. S. Nat. Museum. 
|| 11th Ann. Rep. U.S. Geo. Sur. Terr. 
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