A systematic account of the Glacial epoch in England and Scotland, with special reference to its changes of climate. _THE CAUSE OF AN ICE AGE._ By Sir ROBERT BALL, LL. D., F.R.S., Royal Astronomer of Ireland, author of “Starland.” The first volume in the MODERN SCIENCE SERIES, edited by Sir JOHN LUBBOCK. 12mo. Cloth, $1.00. “An exceedingly bright and interesting discussion of some of the marvelous physical 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 more definitely located, than in this thrillingly interesting volume.”—_Boston Traveller._ _TOWN GEOLOGY._ By the Rev. CHARLES KINGSLEY, F.L.S., F.G.S., Canon of Chester. 12mo. 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, I 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 Railroads, with Altitude above Tide-water, Notes on Interesting Places on the Routes, and a Description of each of the Formations. 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._ WORKS BY ARABELLA B. BUCKLEY (MRS. FISHER). _THE FAIRY-LAND OF SCIENCE._ With 74 Illustrations. Cloth, gilt, $1.50. “Deserves to take a permanent place in the literature of youth.”—_London Times._ “So interesting that, having once opened the book, we do not know how to leave off reading.”—_Saturday Review._ _THROUGH MAGIC GLASSES and other Lectures._ A Sequel to “The Fairy-Land of Science.” Cloth, $1.50. _CONTENTS._ THE MAGICIAN’S CHAMBER BY MOONLIGHT. MAGIC GLASSES AND HOW TO USE THEM. FAIRY RINGS AND HOW THEY ARE MADE. THE LIFE-HISTORY OF LICHENS AND MOSSES. THE HISTORY OF A LAVA-STREAM. AN HOUR WITH THE SUN. AN EVENING WITH THE STARS. LITTLE BEINGS FROM A MINIATURE OCEAN. THE DARTMOOR PONIES. THE MAGICIAN’S DREAM OF ANCIENT DAYS. _LIFE AND HER CHILDREN: Glimpses of Animal Life from the Amœba to the Insects._ With over 100 Illustrations. Cloth, gilt, $1.50.