wiii ADVERTISEMENT. 
COMMENCED JANUARY, 1888. TWO VOLUMES PER YEAR. 
-R H 
AMERICAN GEOLOGIST, 
ISo. 
The Oldest Exclusively Geological Magazine Published in America. 
EDITORS AND PROPRIETORS: 
CHARLES E. siap Ph. D., F. G. S. A., Yale University, New H 
onn 
A . Ån Sta a Cit y, Ia. 
donr. N, aT M. ry -» Deut, Geol. Gessell., Soc. Im via Ringe New York Geol aor Albany, N.Y. 
Epw ao CLAYPOLE, B. A., D. Se. (London), F.G S., L., E. and A., Buchtel College, Akron, 
FRANCIS W. Craein, B. Se., F. G. S. A; = y maag of Geology and Palæontology, Colorado College, 
Colorado i. eid Texas Geol. Su A 
Jonn EYERMAN, Esq., F. Z. S., F. G. S. A., F. i G.-S., M. I, M. E , ‘Oakhurst,’ Easto 
Persiror Frazer, Doct. es. Sci. Nat., Officier de I’ Instruction “Publ ique (Franee), Gorria 
Reichsanstalt (Wien), F. G. S. Å., Prof. of Chem., Horticul. Soc., Philade a, Pa. 
Epwarp O. ULRICH, M. A., F. G. 8, A., Palæontologist, Geol. Bait of Mi inn., “as ewport, Ky. 
Warren Upnam, M. A., F. G. S. A., Minnesota Geological Survey, Somerv ille, Aal 
Marsuman E. WADSWORTH, M.-A PhD. E GS A EF. A. G.B., Director of “the Michigan 
h. 
IsraEL C. WnHire, M. A., Ph. D., F. G. S. A.; Morgantown, W. V 
Newton H. WiıncueLL, M. A., F. G. S. A. , State Geologist, Univ. ia., Minneapolis, Minn. 
TERMS. 
To Subscribers in the United States, — and Mexico. ; 3 ‘ $3.50 a year 
To other Subscribers in the Postal Uni $ ; Z . 4.00 a year 
The gg Ne GEOLOGIST is issued Bae oid ml ioe office of Layee yg z 
Minneapolis, Minnesota, United States of A Fou volumes are nearly co 
pleted; the fiftee ins with the atei for Tar, 1895. e Sape E had 
‘received a cordial welcome and a generous support from leading geologists everywhere and 
as t ra 
o exic 
Nowhere else in t 2 obits wed geo “yi eign exhibited on a more marieegea eal 
and nowhere else are results attained of greater economic and scientific i importa 
The AMERICAN GEOLOGIST lays elt its readers from month to ane the 
latest results of geologica In addition to the longer papers it gives synopses of 
recent geological ee 8s ever ia 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. 
umbers for 1888 will hereafter subscribers for $3.50, or bound in = for $4.50 ; 
those for 1889, 1890, 1891, 1892, ase and 1894, Pier $2.50 fen en bound for 3. 50 each. New s ibers who 
remit p will es all back numbers an nd the subscription for 1895. Fifty cents per year postage i ust be 
anag mioecetbors not living in North America. If bound volumes are ordered, the cost 
hy ge oa th the ‘transportation must be paid by the subscriber. There are two volumes in each year, 
con volume ee over 400 pag 
SAMPLE COPIES 20 CENTS. 
THE GEOLOGICAL PUBLISHING Co., 
Minneapolis, Minn., U. S. A., Oct. 1, 1894. 
European Agent, Mr. HENRY CLAYPOLE, 
Manager of the London & Co. Bank, 
SITTINGBOURNE, Kent, ENG. 
