vi ADVERTISEMENT. 
COMMENCED JANUARY, 1888. TWO VOLUMES PER YEAR. 
= === THES 
AMERICAN GEOLOGIST, 
LSS. 
The Oldest Exclusively Geological Magazine Published in America. 
EDITORS AND PROPRIETORS: 
CHARLES E. Beecuer, Ph. D., F. G. S. A., Yale University, New Haven, Conn. 
SaMvueEL Cavin, Ph. D., F. A S. A., Sta te Pag State Lutyensity, ows City, Ia. 
. = CLARKE, M. A., Deut. Geol. Gesse , Soc. Im Aa o , New Yor rvey, Alban 
Epw Ai pande POLE, E A. D. Se. aia, F.G.8 3 b; E. and a“ Bachtel College, Wesel 
FRANCIS W. CRAGIN, B. Se., F. G. S. A., nee Md Geology and Paleontology, Colorado College, 
Colorado Springs, Colo. Texas Geol. Sur 
F. Z. 8., F. G. S. A. P, 
Joun EYERMAN, Esq., F. Z. S., A, ry rS S5., M. I. M. E., ‘Oakhurst,’ Easton, Pa. 
Persiror Frazer, Doct. es. Sci. Nat. , Oficier del’ Instruction Publique (France), orrara didi 
Reichsanstalt (Wien), sE G. 8.4 rof. of Chem., es Soc., jea adelphia, Pa. 
Epwarp O. ULRICH, M. A., F. G. S j eee ng Geol. Surv, of Min y ÈC., akti alg Ky. 
WARREN Upuaw, M. A., F. G. S. A., Sii nnesota ER ros. Boone viia, Mas 
Marsuman E. WapswortTH, M. A Ph. Di, G.8. A, F. A.G.8., Director of ‘the Michigan 
Min . 
IsrAEL C. Wuire, M. A., Ph. 7 F. G. S. A., Morgantow 
Newton H. WiıxncneLL, M. A., F. G. S. A. , State Geologist, ‘aie Man, Minneapolis, Minn. 
TERMS. 
Subscribers in the United Sitan fanaina and —* hes os p 50 a year 
To other Subscribers in the Postal Uni . ; i . 4.00 a year 
The AMERICAN GEOLOGIST is issued — from the office of parr pips oe 
Minneapolis, meso United States of A Fourteen volumes ar arly co 
pleted; the fifteenth begins with the iero for January, 1895. The Sani A i 
i a 
Nowhere pri in the akc oh T ologic phenomena exhibite 
and nowhere else are results attained of greater economic and scientific importance 
A i ders from mon 
latest results of geol ogi cal work. In addition to the longer pre it Ain synopses of 
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, or bound in cloth for $4.50; 
those for 1889 , 1890, 1891, 1892, 1893, erin wgl for $2.50 each, or bound for $3.50 each. New subscribers who 
remit $22 will receive all back’ numbers he subscription for 1895. Fifty cents per year postage — at 
added to these > rates for subscribers ias in North America. If boun dered, the 
will be $28, and the S trnnaporatios pa be paid by the subscriber. There are two volumes in each vat 
each volume hating over 400 pages. 
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. 
