SCIENCE-ADVERTISEMENTS 



Just Issued 



KOFOID and SWEZY 



Mitosis and fission in the active and encysted 

 phases of Giardia enterica (Grassi) of Man. 

 50 cents. 



Mitosis in Endamoeba dysenteriae in the bone 

 marrow in Arthritis deformans. 



Endamoeha dysenteriae in the lymph glands 

 of Man in Hodgkin's disease. 



In one cover, 25 cents. 



Mitosis in the encysted stages of Endamoeha 

 coli (Losch). [In press), 30 cents. 



University of California Press 



Berkeley California 



NEW BOOKS FOR SCIENCE LIBRARY 

 RICHTER. Organic Chemistry, Vol. 2 



Tho Carbocyclic Series. Trans, by E. E. F. D'albe, 

 Cloth, S8.00. 



PAULI. Colloid Chemistry of The 

 Proteins 



Illus. By Prof. Dr. F. Pauli (Vienna). Cloth, S2.25. 



HATSCHEK. Physics And Chemistry of 

 Colloids 



4th Edition, Illustrated. Cloth, S2.25. 



VOUNGKEN. Textbook of Pharmacognosy 



By H. W. Yot.NCKt!N, Ph.D. 210 illus. Cloth, S6.00 



PITFIELD. Compend of Bacteriology 



Includes animal parasitics. 4th Edition. 86 illus- 

 trations. Cloth, 52,00. 



ATWOOD. Civic and Economic Biology 



By Proi--. W. H. Atwood. Illustrated. Cloth, S1.68, 



JENKINS. Interesting Neighbors 



By Prof. OLiyER P. Jenkins. 81 illus. Cloth, 51.12. 



LEE. Microtomist's Vade Mecum 



By A. B. Lee, F.R.M.S. 8th Edition. Cloth, 66.50, 



SHUTTLEWORTH and POTTS. Mentally 

 Deficient Children 



Ticalinenl and Trainins. 5th Edition. Illustrated. 

 Cloth. Sj.23. 



STODDART. 



4lh Edition. 



Mind And Its Disorders 



15 illu.strations. Cloth, S7.S0, 



P. BLAKISTON'S SON & CO. Philadelphia 



THE CAMBRIDGE UNIVERSITY PRESS, ENGLAND 



Announces the following NEW SCIENTIFIC BOOKS 



THE NATURALISATION OF ANIMALS 

 AND PLANTS IN NEW ZEALAND 



By the HON. GEO. JI. THOMSON 



iic|ue cornpilation of facts regardin,^ the first 



introduction of 



its subsequent sjc 



itself. 



species into the 



s or failure in establishing 



Illustrated, $14.00 



A TEXT-BOOK OF EUROPEAN 

 ARCHAEOLOGY 



Vol. I — The Palaeolithic Period 



By R, A, S. M.\C.\LISTER 

 ,\ thorough study of early prehistory and the 



lite 



college stu- 



lUustrated, 



5.50 



MAN, PAST AND PRESENT 



Bv .'V. H. KEANE. Revised bv A. H. QUIGGIN 

 and A. C. HADDON 

 .\n exceptionally valuable account of the origin, 

 history, and distribution of mankind, with authori- 

 tative data about contemporary races and their 

 antecedants. Illustrated, $12.00 



WEATHER PREDICTION BY 

 NUMERICAL PROCESS 



By LEWIS F. RICHARDSON 



Presents a scheme of weather prediction founded 



upon the differential equations, and not upon the 



partial recurrence of phenomena in their ensemble. 



With a frontispiece. $10.00 



PRINCIPLES OF GEOMETRY 

 Vol. I — Foundations 



By H. F. BAKER 

 Simple relations of position, for points, lines, and 

 planes, set in an ordered framework of deductioii 

 made comprehensible enough to include all subse- 

 quent theory. Illustrated, $4.00 



MODERN ELECTRICAL THEORY 



Supplementary Chapters 

 Chapter XV— Series Spectra 

 By NORMAN ROBERT C-\MPBELL 

 A monograph based on Bohr's theory, undoubt- 

 edly the most important advance in pu 



since 1913. 



1.50 



Sold by THE MACMILLAN COMPANY, American Agents 



64-66 Fifth Avenue, New York 



Prairie Avenue and 25th Street, Chicago 



Huntington Chambers, Copley Sq., Boston 



609 Mission Street, San Francisco 

 330 South Harwood Street, Dallas 

 1 7 Houston Street, Atlanta 



