™ ADVERTISEMENTS. 



COMMENCED JANUARY, 1888. TWO VOLUMES PER YEAR. 



AMERICAN GEOLOGIST, 



The Oldest Exclusively Geological Magazine Published in America. 



EDITORS AND PROPRIETORS: 



rles E. Beecher, Ph. D., F. G. S. A., Yale University New Haven Conn 



ubl Calvin, Ph. D., W. <;. ~ t nt Ia 



S 4 »n W A *r KE : M " A -'^ eu *- G *°\- t; ' irrey, Albany, N.T. 



abd \V. Claypole, B. A., D. Sc. (London), F. G. SS., L., E. and A., Buchtel College, Akron, 



Colorado Springs, Colo. Texas Geol. Survey. 

 John Eterka « P. A. O. S., M. I. M. E., 'Oakhurst,' Easton, Pa 



Persifor Frazer Doet. N .£ , Correspondan 



Reichsanstalt (Wien , F. G. S. A., Prof, of Chem.. a Pa P 



: ;■;.;'; ,;.■;;. '; ; ; ■ ^ - ■- - 



^^ng'scho^n^St,:'!; Mi,h Ph ' D " F ' G ' Si A- ' 



W^ EL A W w ITE ' M - A ;V P . h ' D -' F " G - S - A - Morgantown, 





TERMS. 



° Sf^S *" the . U, r ted States, Canada and Mexico. 



» Subscribers m the Postal Union. 



Ml^ZaV A T /CAN t G ^ L P G i S V lS iSSUed m0ntU y from the office <>f publication at 

 Minneapolis, teB of America. Sixteen volumes are nearly com- 



pleted; the seventeenth begins with the number for January, 1896. The , 

 it if now r™?Ir T Q a " a ^rous ^PP?] 1 from leadin S geologists everywhere and 

 on tnTooS?n C f % h * ex P one . nt °^ ^ e ™P id & - taking place 



x ;.. v.;.; :::;. " ; ; r ;: . N ;' : ; ; '; ! ' '.^ - ■ '.- - ■ ■ ■ ■ 



IT IS NOT THE ORGAN OF ANY INSTITUTION, NOR OF ANY SECTION OF 

 THE COUNTRY, NOR OF ANY PARTY. 



SAMPLE COPIES 20 CENTS. 



Minneapolis, Minn., U. S. A., Jan. 

 European Agent, Mr. HENKY CLAYPOLE, 



