Contents. v 
Description of a New Genus and five New Species of Fos- 
sils from tlie Devonian and Subcarboniferous rocks of 
Missouri. R.R.Rowley. [Illustrated.] 217 
The Elective System as adopted in the Michigan Mining 
School. M. E. Wadsworth. 223 
Rock Hill, Long Island,.N. Y. John Bkyson. [Plate XII.] 228 
Geological Society and American Association Meetings. 
Warren Upham 233 
Revieir of Recent Geological Literature. — Phylogeny of an Acquired 
Characteristic, Alpheus Hyatt, 256. — Structure and Appendages 
of Trinucleus, C. E. Beecher, 259. — Report on the Coosa Coal 
Field, A. M. Gibson, 260. — The Origin of the Arkansas Novacu- 
lites, L. S. Gkiswold. 261. — Ueber palEeozoische Faunen aus Asia 
und Nordafrika, F. Frech, 261. — Folds and Faults in Pennsylva- 
nia Anthracite Beds, B. S. Lyman, 261. — Directions for Collecting 
and Preparing Fos.sils. Charles Schuchert, 262. — On a New Tril- 
obite from Arkansas Lower Coal 'Measures, A. W. Vodges, 262. — 
A Supplement to the Bibliography of the Paltezoic Crustacea, A. 
W. VoDGES, 262. — Tables for the Determination of Common Min- 
erals, W. O. Crosby, 262.—A Contribution to the Mineralogy of 
Wisconsin, W. H. Hobbs, 26,3. 
Recoit Publications, 26.3. 
Correspondoice. — The International Congress of Geologists: A Correc- 
tion. Albert Heim, 266. 
Personal and Scientific Neics, 267. 
NOVEMBER NUMBER. 
The Latest Einiptives of the Lake Superior Region. N. H. 
WiNCHELL 269 
The Upper Silurian in Northeastern Iowa. A. G. Wilson. 275 
High Level Gravel and Loam Deposits of Kentucky Rivers. 
Arthdr M.Miller. [Illustrated.]. 281 
Origin of the Iowa Lead and Zinc Deposits. A. G. Leon- 
ard - 2SS 
The Devonian Series in Southwestern Missouiy. Oscar 
H. Hershey. 294 
Geology at the British Association for the Advancement of 
Science. E. W. Claypole 300 
Section of the Eocene at Old Port Caddo Landing, Harri- 
son Co., Texas, with Notes upon a Collection of Plants 
from that locality by F. H. Knowlton. T. Wayland 
Vaughan - 304 
Editorial Com»ie»f.— Professor Heim's Letter. Persikor Frazer, .309. 
lievieir of Recent Geolor/ictd Literature. -Fourteenth Annual Report of 
the " U. S. Geological Survey, J. W. Powell, Director. 310. -Re 
publication of Descriptions of Fossils from the Hall collection, etc.. 
