4NE, 1559. 
V 0 L. Ill, Ho. 6 
THE 
AMERICAN 
A MONTHLY JOURNAL OF 
GEOLOGY AND ALLIED SCIENCES, 
EDITORS AND PROPRIETORS: 
Prof. Samuel Calvin, University of Iowa, Iovja City, Iowa. 
Prof. Edward W. Claypole, BuchielCollege, Akron, O. 
Dr. Persifor Frazer, Franklin Institute , Philadelphia , Penn. 
Dr Lewis E. Hicks, University of Nebraska, Lincoln, Neb. 
Mr. Edward O. Ulrich, Geol. Survey of Illinois, Newport, Ky. 
Dr. Alex ander Winchell, University of Michigan, Ann Arbor , Mick. 
Prof. Newton H. Winchell, University of Minnesota, Minneapolis, Minn. 
^timbers, 35 Qeijts. 
Yearly Subseriptiop, $3.50. 
QO J*l 5 E jt 55 : 
JATERNARY DEPOSITS AND QUATERNARY 
OR RECENT ELEVATION OF REGIONS AND 
MOUNTAINS IN BRAZIL, WITH DEDUCTIONS 
AS TO THE ORIGIN OF LOESS FfeOM ITS OB¬ 
SERVED conditions there. James E. 
Mills ... 
345 
IE STORY OF THE MlSSISSIPPI'MlSSOURI.. 
, W. Claypole . - ... 361 
' LINGUL ASM A, A NEW GENUS, AND EIGHT 
fEW SPECIES OF LINGULA AND TREMATIS. 
E. 0. Ulrich. [Illustrated.]. 
377. 
IE MESOZOIC ROCKS OF SOUTHERN COLO¬ 
RADO AND NORTHERN NEW'MEXICO. J. 
J. Stevenson .. 391 
397 
Editorial Comment. 
A sandy simoon in the Northwest..... 
Review Of Recent Literature. 
Marine shells in the till near Boston. 
Warren Upham, 399.—Seventh annual 
report of the U. S. Geol. Survey, Pow- 
ell, 399.— Elemente der Paleontologie, 
Steinmann, 401. 
List of recent publications . ........... . 402 
Correspondence. 
Solubility of phosphates in iron ore. 
Taft..... ..... 402 
Personal and Scientific News. 403 
THE AMERICAN GEOLOGIST, MINNEAPOLIS. 
meral European Agent, W. P. Collins, 157 Great Portland St., London W. Eng. 
Entered at the Minneapolis post-office as second-class matter. 
