SCIENCE.— AD VERTISEMENTS. 



Macmillan & Co.'s New Publications. 



Columbia College Contributions to Philosophy, Psychology and 



Education, Vol. I., No. 4. 



Friedrich Eduard Beneke, The Man and His Philosophy. An Introductory Study. By- 

 Fit axcis Bl'EKE Ebandt, Ph. D., sometime University Fellow in Philosophy in Columbia. 

 College. 8vo, paper cover, pp. 167, 51.00 net. 



Cambridge Natural Science Manuals. 



General Editor — A. E. Shipley, M. A., Fellow and Tutor of Christ's College. 



New Volumes. 



I. Elements of Botany. By F. Daewin, M. A., F. R. S., Fellow of Christ's College, Cam- 

 bridge, and Reader of Botany in the University. With numerous illustrations. 12mo, %l.Q(y 

 net. ( Biological Science. ) 

 II. Petrology for Students. By A. Haekee, M. A., F. G. S., FeUow of St. John's College, 



Cambridge University Demonstrator in Petrology. 13mo, §2.00. 

 III. A Text=Book of Zoogeography. By Feank E. Beddaed, M. A. (Oxon), F. R. S. , Pro- 

 sector of the Zoological Society of London. Maps, 12mo, cloth, §1.60, net. {Biological 

 Science. ) 



The Theory of Light. 



By Thojias Peeston, M. A. (Dub.), Fellow of the Royal Society of Ireland and Professor of Natural 

 Philosophy, University College, Dublin. 8vo, cloth, pp. xvii-573, §5.00, net. 



Analytical Chemistry. 



By N. Menschutkin, Professor of the University of St. Petersburg. Translated from the third 

 German Edition under the supervision of the Author. By Jajies Locke, Assistant in the. 

 Analytical Laboratory of the University of Heidelberg, pp. xii-512, 8vo, cloth, §4.00, net. 



Text=Book of Operative Surgery. 



By De. Theodok Kocheb, Professor of Surgery and Director of the Surgical Clinic in the University 

 of Bern. Translated with the Special Authority of the Author from the Second Revised and 

 Enlarged German Edition by Harold J. Stiles, M. B., F. R. C. S., Edin., Senior Demonstrator 

 of Surgery and formerly Demonstrator of Anatomy in the University of Edinburgh, etc. With 

 18.5 Illustrations. 8vo, cloth, pp. 303, §3.50, net. 



On Certain Phenomena belonging to the Close of the Last Geo- 

 logical Period, and on their Bearing upon the Tradition of the Flood. 



By Joseph Peestwich, D. C. L. (Oxon.), F. R. S., F. G. S., Corr. Inst. France (Acad. Sc), Acad. 

 R. Lyncci, Rome ; Roy. Acad. Brussels, etc. 8vo, cloth, pp. 87, §1.00. 



The Horticulturist's Rule=Book. 



A Compendium of Useful Information for Fruit-growers, Truck-gardeners, Florists and others. By 

 L. H. Bailey, Professor of Horticulture in the Cornell University. Third Edition, thoroughly 

 Revised and Recast, with many Additions. 12mo, limp cloth, 75 cents. 



Hydrodynamics. 



By H. Lamb, M. A., F. R. S., Professor of Mathematics in Owens College, Manchester. Demy Svo, 

 cloth, §6.25 net. 



A rionograph on the Order of Oligochseta. 



By Feank Evees Beddaed, M. A. (Oxon.), F. R. S., Prosector to the Zoological Society of London, 

 and Lecturer at Guy's Hospital. 4to, stiff boards, linen back, §12.50, net. 



Crystallography. 



A Treatise on the florphology of Crystals. By N. Story-Maskelyne, M. A., F. R. S., 



Profe.ssor of Mineralogy, Oxford, Honorary Fellow of Wadham College. 



MACMILLAN & CO., 66 Fifth Avenue, New York. 



