

PROCEEDINGS OF SCIENTIFIC SOCIETIES. 447 
In the report of his explorations in California and Oregon, Prof. New- 
cutting down of their outlets, the gorges through which the Columbia, 
Klamath and Pitt Rivers now flow 
e Klamath lakes, etc., were didtnr E of these an- 
cient lakes which were apparently quite as extensive as our present great 
kes. The fossil plants contained in the colas made by Rev. Mr. 
Condon were most beautifully preserved, and consisted of a great number 
of species, most of which were new; but a number were identical with 
Species found in the Miocene Tertiary of the Upper Missouri. There are 
of F 
animal remains found in the same series of Tertiaries with the plants, con- 
sist of fresh-water shells and fishes, with a few mammalian bones. The 
Shells are numerous species of Melania, Planorbis, Grotii and — 
all, so far as known, new to science. The fishes were Cyprinoids med 
to Mylopharodon, etc., — the fishes now inhabiting the Western rivers. 
Among the mammalian bones contained in this collection were some that 
plainly belonged to the horse. The beds containing the animal remains 
Were perhaps more recent than the plant beds, but still Seite 
Mr. W. H. DALL read a paper “On the Trend of the Rocky. Mo untain 
Range, north latitude 60°, and its influence on Faunal Distribution.” The 
ranges of hills. This bend of th e mountains prevented the characteristic 
- birds of the west coast from coming north, while a few species of Eastern 
ut ye ocean | ndis € xtended south-west from Plover Bay, 
just west of the Straits, along the Kamtchatka ml 
DEDICATION or THE Musrum or THE PEABODY AcapEMY.—On the 
ds eighteenth of August, being the first day of we session of the American 
"on, the Museum of the Peabody Academy was formally prone 
Over in order thint the members should saat in the proceedings. 
) t 
: transfer of "i pir was made by the Committee of the Trus- 
tees of the original fund, to the Trustees of the Academy, and the — 
of the Museum committed to the Director. Mr. F. W. Putn The au 
| then repaired to the Tabernacle Church to listen to the Dedicatory 

