3 
in 
CONTENTS. 
JULY NUMBER. 
John Strong Newberry. [Portrait.] Prof. J.J. Stev- 
enson 1 
Notes on Some of the Iron-bearing Pocks of the Adi- 
rondack Mountains. Frank L. Nason 25 
On some Dykes occurring near Lvon Mt.. Clinton Co.. 
N. Y. Arthur S. Eakle. [Plate II.] 81 
Englacial Drift. Warren Upham 86 
The Terms of Auxology. S. S. Hickman and F. A. 
Bather 48 
Range of ( Ihouteau Fo ssils. R. R. Rowley 40 
Erosion of Small Basins in Northwestern Indiana, 
during the time preceding the Pleistocene Period. 
(has. S. Beachler. [Illustrated.] 51 
On the Structure and probable Affinities of Cerionites 
dactylioid.es Owen. S. ( 'alvin 58 
Review of Recent Geological Literature, — On the Alleged Proofs of 
Submergence in Scotland during the Glacial Epoch, Chapelhall. 
Dugald Bell, 58. -The Anorthosytes of the Minnesota Shore of 
Lake Superior, Andrew C. Lawson. 59.— The Laccolitic Sills of 
the Northwest Coast of Lake Superior, Andrew C. Lawson, 59. — 
The Norian of the Northwest, N. H. Winchell, 60. — Republica 
tion of Conrad's Fossil Shells of the Tertiary Formations of North 
America, Gilbert D. Harris, GO. 
Recent Publications, 62. 
Personal and Scientific Neivs, 64. 
AUGUST NUMBER, 
The Recently found Oastoroides in Randolph County. 
Indiana. Joseph Moore. [Plate III.] 67 
A Critical Notice of the Stratigraphy of the Missouri 
Paheozoic. G. ('. Broadhead 7 4 
The Three Great Fossil Plaeoderms of Ohio. E. W. 
Claypole so 
The Unconformity of the Coal Measures and the St. 
Louis Limestone in Iowa. ( has. R. Keyes. [Plate 
IV.] 00 
Cefro Tucumcari. Jules Marcou. [Illustrated.].... 108 
Notes on some Fossil Corals described by I). I). Owen 
in his Report of Work done in the Autumn of 1839, 
with Observations on the Devonian Species. Phil- 
lipsastrea gigas of later Authors. S. Calvin. 
[Plates V and VI. | L08 
The Protoconch of Orthoceras. J. M.Clarke. [Illus- 
trated.] 112 
Editorial Comment. — Major Powell in a current issue of Popular Sci- 
ence Monthly, 115. 
