vi ADVERTISEMENTS. 
COMMENCED JANUARY, 1888. TWO VOLUMES PER YEAR. 
=== THES 
AMERICAN GEOLOGIST, 
LOSS. 
The Oldest Exclusively Geological Magazine Published in America. 
EDITORS AND PROPRIETORS: 
CHARLES E. paingan A Ph: D; F. T S. A. e Uni ech New Haven Rive 
SamvE. CALVIN, Ph. D., F. G.S , Sta te mika State st ersity, low 
oun M. CLARKE, MA, Deut. Best Gessell., Soc. Im p per re w Yor k Geol. on Leg ' Alba y, N.Y. 
Epwarp W. CLAYPOLE, B. A., D. Se. (London), F.G.8 ~E aad A Buchtel Callegs, Kira 
hio 
FRANCIS W. CRAGI , B. Sc., F. G. S. A., Professor of Geology and Palæontology, Colorado College, 
Joun EverMAN, Esq.. F. Z. S., F. G.S. A, F. A a S., M. I. M: E., ‘Oakhurst,’ Easton, Pa. 
Persiror Frazer, Doct. es. Sei. Nat., Otter de V Instruction Di ique e (France), Correspondant 
Reichsanstalt (Wien), F. G. Ie A., rof, of Chem., Horticul. Soc., Philadelphia, 
Epwarp O. ULRICH, M. T F. G.8 oR cy accel Geol. Surv. of Mi inn., &e. ges 
Warren UPHAM, M. A. G. S. A. , Librarian of the Minnesota arans Society, St. Des 1, Minn. 
cone E. peban ri M. AS Ph. D., F. G. 8. A, F. G.S., Director of the Sle 
ning wap ecg Mich, 
tenses, Wair , M. A. å Ph. D., F. G. S. A., Morgantown, W. 
Newton H. Winenais, M ap, Ta G, B. A, State Geologist, Univ. STEN Minneapolis, Minn. 
TERMS. 
To Subscribers in the United States, Chonde and Mexico. gee Sn rig $3.50 a year 
To other Subscribers in the Postal Uni ‘ ea . 4,00 a year 
The gemal GEOLOGIST is aes saci from the office of poe at 
Minneapolis, esota, United States ca. Sixteen volumes a arly com- 
pleted; the Hawes s begins with the jain for Janua 6. has 
received a cordial welcom eanda generous support from leading pee ame and 
ize 
on the continent of North America, including Canada, the United States walk Mexico. 
Nowhere else in the world are geologic phenomena exhibited on a more extens ive scale 
and nowhere else are results attained of greater nae _— and scientific impo 
The 
eaders 
latest results of geological w In addition és ihe tae papers it ir synopses es of 
recent paee at pahlicadoni a brief notes on current geological events 
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 subscribers for $3.50, rf pre i an for pm 
those for 41889, 1890, 1891, 1892, 1893, 1894, and 1895 for $2.50 each, or bound for subseri 
who remit t $24.50 50 will receive all back numbers and the subscription for for apy, nity ee po is per year postage 
must be added to these a Ra) subscribers not rab in No a. If bound volumes are prred 
the cost will be $32.50 and the tran wo apaan must be paid by the apni iber. There are two volum 
each year, each volume ymp g over 400 pages, 
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, 
= SITTINGBOURNE, KENT, ENG. 
