252 Personal and Scientific News. 
The lake ridges of Ohio and their probable relations to the lines of 
glacial drainage into the valley of the Susquehanna. — 30 min. — By G. 
F. Wright. 
(a.) The moraines of the Wabash — Erie region. (5.) Tlie Ironde- 
quoit glacier.— 15 min. — By C. R. Dryer. 
Glacial phenomena of northern Indiana and northeastern Illinois. — 
20 min. — By Frank Leverett. 
The attractive scenery of our own land. — 20 min — By A.S. Bickmore. 
The mastodon of Kent and what we know about it. — 20 min. — By 
Ed. Jones, Esq. 
On certain remarkable new fossil plants from the Erian and Carbon- 
iferous, and on the characters and affinities of the palaeozoic gymno- 
sperms. — 20 min. — By Sir Wm. Dawson. 
Mammoth cave. — 20 min. — By H. C Hovey. 
The Devonian system of North and South Devonshire. — 25 min. — 
By H. S. Williams. 
The reality of a level of no strain in the crust of the earth. — 30 min. 
— By E. W.' Clay pole. 
The geological position of the Ogishke conglomerate. — 30 min. — By 
Alexander Winchell. 
The origin of gneiss and other primitive rocks. — 15 min. — By Robt. 
Bell. 
Observations on the trap ridges of the East Haven (Conn.) region. 
—30 min.— by E. 0. Hovey. 
On a possible chemicHl origin of the iron ores of the Keewatin in 
Minnesota. — 20 min. — By N. H. Winchell and H. V. Winchell. 
Notice of some Zircon rocks in the Archican highlands of New Jer- 
sey. — 8 min. — By F. L. Nason and W. F. Ferrier. 
Trap dikes in the region about lake Cliamplain and the Adirondacks. 
—10 min.— By J. F. Kemp. 
Field studies of hornblende schist. — 10 min. — By C. H. Hitchcock. 
Remarks on the Cretaceous of northern Mexico. — 10 min. — By C. A. 
White. 
A classification of the topographic and geologic features of Texas, 
with remarks upon the areal distribution of the geologic formations. — 
20 min.— By R. T. Hill. 
The Eagle Flats — formation and the basins of the trans-Pecos or 
mountainous region of Texas. — 5 min. — By R. T. Hill. 
The ancient volcanoes of central Texas. — 5 min. — R. T. Hill and E. 
T. Durable. 
The geologv of the Staked Plains of Texas, with a description of the 
Staked Plains formation — 5 min.— By R. T. Hill. 
The geology of the valley of the Upper Canadian from Tascosa, Texas, 
to the Tucumcari mountains, New Mexico, with notes on the age of 
the same.— 10 min.— By R. T. Hill. 
Note on the mapping of the Archfean, northwest of lake Superior. — 
10 min. — By A. C. Lawson. 
On the structural and chemical differentiation of certain dykes of 
the Rainy lake region. — 20 min. — By A. C. Lawson. 
Natural gas in Fredonia, N. Y.— 15 min.— By H. T. Fuller. 
The petroleum belt of Terre Haute — 10 min. — By C. A. Waldo. 
Preservation of glaciated rocks in Worcester, Mass.— 5 min. — Bv H. 
T. Fuller. 
Two new faunas from the lower Cretaceous formation of Texas, (a) 
Caprina limestone fauna, {h.) The Shoal Creek limestone fauna. — 5 
min.— By R. T. Hill. 
On the origin of the diagonal trends in the earth's crust. — 15 min. — 
By D. S. Martin. 
Casts of Scolithus flattened by pressure. — 5 min. — By A. Wanner. 
