ADVERTISEMENTS. iii 
COMMENCED JANUARY, 1888. TWO VOLUMES PER YEAR. 
eed MS = tye 
AMERICAN GEOLOGIST, 
LS 
The Oldest Exclusively Geological Magazine Published in America. 
EDITORS AND PROPRIETORS: 
CHARLES E. imin Ar” Do E, pr S. A., Yale University, New Haven, Conn. 
SAMUEL CALVIN, Ph, D F. G. 8. , Sta ai Geologist, State hago ed Iowa City, Ia. 
Joun M. OLAN, M. A., Deut. Gooi Gessell., Soc. Imp. Min., New Yor k Geol. Bets, Albany, N.Y. 
soy W. CLAYPOLE, B. A., Ds Be. (London), F. G. BS., Éi E. and A., Buchtel College, Akron, 
FRANCIS W. Craain, B. Se., F. G. S. A., pen “2 Geology and Paleontology, Colorado College, 
Colorado Dago Colo. Texas Geo 1. 
JOHN Everman, ge F: Z Si, E.G SoA T e S., M. I. M ‘Oakhurst,’ Easto: 
Persiror FRAZER, Doct. es. Sei. Nat., a pi de 7 Instruction "Publique (Eranee), Correspondant 
Reichsanstalt ian, F. S 8. re Prof. of Chem., Horticul. Soc., P elphia, Pa. 
Epwarp O. ULRICH, M. A G. 8 As, Pa alzeontologist, Geol. Br v. of Minn whe pee wport, Ky. 
Warren Upnawm, M. A., F G. 8. y. Librarian of the Minnesota Historical Goedaey, St. Panl, ian, 
MarsaMan E. WADSWORTH, M. As, PH Diy F. za S. A., F. G.S., Director of the Michigan’ 
IsrAEL C. Wuite, M. A., Ph. os .. F.G.S. A., Morgantown, W 
Newron H. WINCHELL, M.A F. G B. x hae Geologist, Univ ilian., Minneapolis, Minn. 
TERMS. 
o Subscribers in the United States, eer and ipren ‘ s í $3.50 a year 
To other Subscribers in the Postal Uni ` : A . 4.00 a year 
rahe AMERICAN GEOLOGIST is issued pac Bo from the office of pona z 
polis, Min Uni States of America. Sixteen volumes are nearly 
pleted: tthe seventeenth begins with the num eee for January, 1896. The ‘nga ae 
received a cordial welcome kd a generous support from leading geologists everywhere and 
tt is now recognized as the exponent of the rapid geological progress that is taking — 
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Nowhere else in the world are geologic phenomena exhi ona mere extensive nals 
and nowhere else are results attained of greater economic ae scientific importan 
The AMERICAN siegnateadd lays Lat its readers from mont th to month = 
diti 
IT IS NOT THE ORGAN OF ANY INSTITUTION, NOR OF ANY SECTION OF 
THE COUNTRY, NOR OF ANY PARTY. 
The numbers for 1888 will hereafter be sent to new subscribe or be 50, or bound in cloth for $4.50; 
Pre ee: 1890, 1891, 1892, 1893, 1804, and 1895 for $2.50 each, or bound 50 each. New subscribers 
dst be ad added 50 will 3 receive mbers and the s subscription f for tag care Aak tAn 
rates pe iria kina not Tving in Nort rica. 
the cost will be $32. 50 and ie trans rtation must be paid by the subscribe There are two volumes in 
each year, each volume having 
SAMPLE COPIES 20 CENTS. 
THE GEOLOGICAL PUBLISHING CO., 
Minneapolis, Minn., U.S. A., Jan. 1, 1896. 
European Agent, Mr. HENRY CLAYPOLE, 
Manager of the London & Co. Bank, 
nang SITTINGBOURNE, Kent, EnG. 
