PUBLISHED MONTHLY. COMMENCED JANUARY, 1888. 



ILLUSTRATED. 



A Strictly Geological Journal. 

 Two volumes of 400 pages each, per year. 



Subscription, . . . . $3-50 per Year. 



Sample Copies, 20 cents. 



EDITORS AND PROPRIETORS. 



Samuel Calvin, Iowa City, Iowa. 



Edward W. Claypole, Akron, Ohio. 



John Eyerman, Easton, Pa. 

 Persifor Frazdcher, Philadelphia, Pa. I. B. Tyrrell, Ottawa, Ont. 



Robert T. Hill, Washington, D. C. R. D. vSalisbury, Madison, Wis. 



Andrew C. Lawson, Berksley, Cal. Edward O Ulrich, Newport, Ky. 



I. C. White, Morgantown, W. Va. 



Newton H. Winchell, Minneapolis, Minn. 



Published at Minneapolis, Minn. 



DENISON UNIVERSITY, 



GRANVILLE, OHIO. 



Has a beautiful and healthful location ; a large and able faculty, 

 Classical, Scientific, Latin, Greek, Philosophical and English courses 

 of study; Preparatory and Collegiate departments; a well organized 

 Academy; a number of Free Scholarships; an excellent working 

 Library ; Laboratories and Workshop, with steam lathes, and iron 

 wood-working machinery; ample Chemical and Physical Apparatus; 

 special provision for advanced students; facilities for original work in 

 Science; good buildings and pleasant grounds; opportunities for self- 

 help to students. 



E22:pezises TTrL-uLS-ULaull^r I^qt^jt. 



For Catalogue or further information address, 



D. B. PURINTON, President, 



Granville, Ohio. 



