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D. APPLETON & CO.'S PUBLICATIONS. 



HE ICE AGE IN NORTH AMERICA, and its 



Bearings upon the Antiquity ol Man. By G. Frederick 

 Wright, D. D., LL. D. With 152 Maps and Illustrations. 

 Third edition, containing Appendix on the " Probable Cause of 

 Glaciation," by Warren Upham, F. G. S. A., and Supplement- 

 ary Notes. 8vo. 625 pages, and complete Index. Cloth, $5 00 

 "Prof. Wright's work is great enough to be called monumental. There is net 

 a page that is not instructive and suggestive. It is sure to make a reputation abioad 

 as well as at home for its distinguished author, as one of the most active and intelligent 

 of the living students of natural science and the special department of glacial action." 

 —Philadelphia Bulletin. 



HE GREAT ICE AGE, and Us Relation to the 



Antiquity of Man. By James Geikie, F. R. S. E., of H. M. 



Geological Survey of Scotland. With Maps and Illustrations. 



i2mo. Cloth, $2.50. 



A systematic account of the Glacial epoch in England and Scotland, with special 



reference to its changes of climate. 



^rHE CAUSE OE AN ICE AGE. By Sir Robert 

 J- Ball, LL. D., F. R. S., Royal Astronomer of Ireland, author ot 

 "Starland." The first volume in the Modern Science Se- 

 ries, edited by Sir John Lubbock. i2mo. Cloth, $1.00. 



" An exceedingly bright and interesting discussion of some of the marvelous phys- 

 ical revolutions of which our earth has been the scene. Of the various ages traced and 

 located by scientists, none is more interesting or can be more so than the Ice age, and 

 never have its phenomena been more clearly and graphically described, or its causes 

 moie definitely located, than in this thnllingly interesiing volume." — Boston Traveller. 



O WN GEO LOG Y. By the Rev. Charles Kingsley, 



F. L. S., F. G. S., Canon of Chester. i2mo. Cloth, $1.50. 



" I have tried rather to teach the method of geology than its facts; to furnish the 



student with a key to all geology; rough indeed and rudimentary, but sure and sound 



enough, 1 trust, to help him to unlock most geological problems which may meet him 



in any quarter of the globe." — From the Preface. 



AN AMERICAN GEOLOGICAL RAILWAY 



•*■*• GUIDE. Giving the Geological Formation along the Rail- 

 roads, with Altitude above Tide-water, Notes on Interesting 

 Places on the Routes, and a Description of eai.-h of the Forma- 

 tions. By James Macfarlane, Ph. D., and more than Seventy- 

 five Geologists. Second edition, 426 pp., 8vo. Cloth, $2.50. 

 " The idea is an original one. . . . Mr. Macfarlane has produced a very convenient 



and serviceable hand-book, available alike to the practical geologist, to the student of 



that science, and to the intelligent traveler who would like to know the country through 



which he is passing." — Boston Evening Transcript. 



New York: D. APPLETON & CO., 72 Fifth Avenue. 



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