MACMILLAN'S SCIENTIFIC PUBLICATIONS 



BOTANY and ZOOLOGY 



CAMPBELL. The Structure and Development of riosses and Ferns (Archegoniatae). 



By Douglas Houghton Campbell, Stanford University. Second Edition. Thoroughly 



Revised. With considerable additional matter. 657 p., 8vo, il, cl., $4.50 net. 



HARWOOD, W. S. New Creations in Plant Lire. An Authoritative Account of the Life and 



Work of Luther Burbauk. With Illustrations. 14 -|- 368 p., 12mo, $1.75 net (postage 13c. ). 



PHYSICAL SCIENCE 



CLERKE. The System of the Stars. By Agnes M. Clerke, Honorary Member of the Royal 



Astronomical Society, Author of " History of Astronomy During the Nineteenth Century'" 



and "Problems in Astro-Physics." Second Edition, thoroughly revised, with the recasting 



of old material and the addition of new. Cloth, 8vo, 403 p., $6.50 net. 



Modern Cosmogonies. 6 -\- 282 p., 12mo, cl., $1.40 net. 



EDQECUMBE. Whittaker's Electrical Engineer's Pocket Book. Edited by Kenelm 

 Edgkctjmbe, M.I.E.E., A.M., Inst. C.E. With 161 illustrations. Second Edition. Thor- 

 oughly Revised. 8 -\-541 p., 12mo, il., leather, $1.50 net. 



MAZZOTTO. Wireless Telegraphy and Telephony. By Professor Domenico Mazzotto. 

 Translated from the original Italian, by S. R. Bottone. With 253 Illustrations. 



12 -f 416 p., 12mo, il, cl, $2.00 net- 



RIES. Economic Geology of the United States. By Heinrich Ries, Ph.D., Assistant Pro- 

 fessor of Economic Geology at Cornell University. Cloth, 8vo, 435 p., $2.60 net. 



ROLFE. The Polariscope in the Chemical Laboratory. An Introduction to Polarimetry 

 and Its Applications. By Geo gh William Rolfe, A.M., Instructor in Sugar Analysis in the 

 Massachusetts Institute of Technology. Cloth, 12mo, 312 p., $1.90 net. 



ROSCOE and SCHORLEMMER. Treatise on Chemistry. Volume 1. Non-Metallic 

 Elements. New Edition completely Revised by Sir H. E. Roscoe assisted by Drs. H. G. 

 Colman and A. Harden. Cloth, 8v , 931 p., $5.00 net. 



RUTHERFORD. Radio=Activity. By E. Rutherford, D.Sc, F.R.S., F.R.S.C, Macdonal. 

 Professor of Physics, McGill University, Montreal. Second Edition, with much additional 

 matter. Cloth, 8vo, 580 p., $4.00 net. 



SCHNABEL. Hand-Book of fletallurgy. By C. Schnabel. Translated by Professor H. 

 Louis. New Edition. In Two Volumes. Vol. I., new edition. Cloth, 8vo, $6.50 net. 



SCHULTZ and JULIUS. A Systematic Survey of the Organic Colouring Matters 



Founded on the German of Drs. G. Schultz and P. Julius. Second Edition, Revised 

 Throughout and Greatly Enlarged by Arthur G. Green, F.I.C., F.C.S. 



10 + 280 p., Imperial 8vo, cl, $7.00. 

 SNYDER. Dairy Chemistry. By Harry Snyder, B.S., Professor of Agricultural Chemistry, 

 University of Minnesota, and Chemist of the Minnesota Experimental Station. 



10 + 190 p., 12mo, il., cl., $1.00 net. 



TALBOT and BLANCHARD. The Electrolytic Dissociation Theory, with Some of 

 Its Applications. An Elementary Treatise for the Use of Students of Chemistry. By 

 Henry P. Talbot, Ph.D., and Arthur A. Blanchard, Ph.D., Mass. Inst, of Technology. 



5 + 84 p. , 8vo, cl. , $1.25 net. 



THORP. Outlines of Industrial Chemistry. A Text-Book for Students. By Frank Hall 

 Thorp, Ph.D., of the Massachusetts Institute of Technology. Revised Edition. Including a 

 Chapter on Metallurgy, by Charles D. Demond. 618 p., cl., 8vo, $3.50 net. 



WOOD. Physical Optics. By Robert W; Wood, Professor of Experimental Physics in Johns 

 Hopkins University. 13 + 546 p., 8vo, il., cl., $3.50 net. 



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