JANHARY, 1559. 
THE 
VOL. Ill, No. I- 
AMERICAN 
GEOLOGIST. 
A MONTHLY JOURNAL OF 
GEOLOGY AND ALLIED SCIENCES. 
EDITORS AND PROPRIETORS: 
Prof. Samuel Calvin, University of Iowa, Iowa City, Iowa. 
Prof. Edward W. Claypole, Buchtel College, Akron, O. 
Dr. Persifor Frazer, Franklin Institute, Philadelphia, Penn . 
Dr Lewis E. Hicks, University of Nebraska, Lincoln, Neb. 
Mr. Edward O. Ulrich, GW. Survey of Illinois, Newport, Ky. 
Dr. Alex ander Winchell, University of Michigan, Ann Arbor, Mich. 
Prof. Newton H. Winchell, University of Minnesota, Minneapolis, Minn. 
$ii}C)l<? ^timbers, 35 <$ei}ts. Yearly Subscription $3.50. 
PAGE 
Roland Duer Irving [Portrait]. Pres . T .( j . 
Chamberlin ..... 1 
The Geological History of the Ozark 
Uplift. JC. Boadhead . 6 
The glacial origin of cliffs [Illustrated]. 
W. M. Davis ..... 14 
The diabasic schists containing the jas- 
' PILYTE BEDS OF NORTH-EASTERN MIN¬ 
NESOTA. Horace V. Winchell . 18 
Note on the geology of Mt. Stephen, 
British Columbia. R. G. McConnell 22 
Some geological problems in Muscatine 
i county, Iowa, with special refer¬ 
ence to the rectification of the sup¬ 
posed Kinderhook near the mouth 
of Pine creek. S . Calvin . 25 
Soils of Nebraska as related to geo¬ 
logical formations [Map]. L . E . Hicks 36 
Editorial Comment. 
The exhaustion of anthracite coal_ 45 
Review of Recent Geological Litera¬ 
ture.. 48 
Synopsis of Rosenbusch’s New Scheme 
for the Classification of Massive Rocks. 
W. S. Bayley, 48.—Proceeding's and 
Transactions of the Nova Scotian Insti¬ 
tute of Natural Science; papers by Dr. 
Honeyman, 48.—Specimens of Eozoon 
THE AMERICAN GEOLOGIST, MINNEAPOLIS. 
General European Agent, W. P. Collins, 157 Great Portland St., London W. Eng. 
Entered at the Minneapolis post-office as second-class matter. 
canadense and their geological and other 
relations. Sir J. Wm. Dawson, 48 — 
Gold fields of Victoria, 49.—Prof. C. L. 
Herrick’s investigations of the Waverly 
group of Ohio, "50.—Die steinkohlen, 
ihre Eigenschaften, Vorkommen, Entste- 
hung und nationalokonomische Bedeu- 
tung, von Franz Toula, 50.— Notes on the 
geology of western Texas, Robt. T. Hill, 
51—On the origin of primary quartz in 
basalt. Jos. P. Iddings, 52.—Microscopi¬ 
cal physiography of the rock-making 
minerals, H. Roseribusch 53., fjf & 
Re cen t Publications .. 54 
Correspondence . 55 
Exogenous nature of the trunks of lepi- 
dodendrids and sigillarids of the Coal 
Measures, E. W. Claypole, 55.—The need 
of an elementary work on petrography, 
A. Winchell , 57.—Further notes on “a 
green quartzite from N ebraska,” J. E. 
Todd, 59.—Some remarks on professor 
Henry S, Williams’ report of the Sub- 
Committee on the Upper Palaeozoic (De- 
vonic y Jules Marcou, 60. 
Personal and scientific news. 61 
An unjust attack —Persifor Frazer. 65 
