/■ 
--^ CONTENTS. 
JANUARY NUMBER. 
Roland Duer Irving. [Portrait]. Pres. T. C. Cham- 
BERLIN 1 
The geological history of the Ozark uplift. G. C. 
Broadhead 6 
The glacial origin of cliffs. [Illustrated]. W, M. Davis. . 14 
The diabasic schists containing the jaspilyte beds of 
northeastern Minnesota. Horace V. Winchell. . 18 
Note on the geology of Mt. Stephen, British Columbia. 
R. G. McCoNNELL 22 
Some geological problems in Muscatine county, Iowa, 
with special reference to the rectification of the 
supposed Kinderhook near the mouth of Pine 
creek. S. Calvin 25 
Soils of Nebraska as related to geological formations. 
[Map.] L. E. Hicks 36 
Editorial Comment. — The exhaustion of anthracite coal, 45. 
Review of recent geological literature. — Synopsis of Rosenbusch's new 
scheme for the classification of massive rocks, W. S. Bayley, 48. 
— Proceedings and transactions of the Nova Scotian Institute of 
Natural Science; papers by Dr. Honeyman, 48. — Specimens of 
Eozoon canadense and their geological and other relations, Sir J. 
Wm. Dawson, 48.— Gold fields of Victoria, 49.— Prof. C. L. Her- 
rick's investigations of the Waverly group of Ohio, 50. — Die 
steinkohlen, ihre Eigenschaften, Vorkommen, Enstehung, und 
nationalokonomische Bedeutung von Franz Toula,50. — Notes on 
the geology of western Texas, Robt. T. Hill, nl. — On the origin 
of primary quartz in basalt, Jos. P. Iddings, 52. — Microscopical 
physiography of the rock-making minerals, H. Rosenbusch, 53. 
Recent publications, 54. 
Correspondence, 55. — Exogenous nature of the trunks of lepidodendrids 
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 Nebraska," J. E. Todd, 
59. — Some remarks on professor Henry S. AVilliams' report of the 
sub-committee on the upper Paheozoic (Devonic) Jules Marcou, 
60. 
Personal and Scientific News, 61. 
An unjust attack, Persifor Frazer, 65. 
FEBRUARY NUMBER. 
Glaciers and glacial radiants of the ice age. Dr. E. W. 
Claypole 73 
Notes upon the Waverly group in Ohio. [Illustrated]. 
C. L. Herrick 94 
Fossil wood and lignites of the Potomac formation. F. 
H. Knowlton 99 
Physical theories of the earth in relation to mountain 
formation. T. Mellard Reade 106 
The Chouteau group of eastern Missouri. R. R. Row- 
ley Ill 
