11 



SCIENCE-ADVERTISEMENTS 



WEED'S CHEMISTRY 

 IN THE HOME 



By Henry T. Weed, B.S., Head of Science 



Department, Manual Training School, 



Brooklyn, N. Y. 386 pages. Illustrated 



$1.20. 



A general course in chemistry for students 



who do not intend to go to college. It treats 



of chemical processes and products in a way 



that leads a pupil to make use of what he 



learns. 



For example, by the food tables given he 

 can tell whether he is receiving proper nourish- 

 ment; he learns how foods may properly be 

 preserved and the changes which occur when 

 foods are cooked; he learns how metals can be 

 protected against corrosion ; how dyes may 

 be used successfully in the home, etc., etc. 



Ask for " 100 Practical Chemistry 

 Questions About the Home" — it will 

 show you the practical scope of this 

 book. 



AMERICAN BOOK COMPANY 



New York Cincinnati Chicago 



For the Physical 

 Laboratory 



For the First Year 



Smith, Tower, and Turton : Manual of Ex- 

 perimental Physics 



Concise and practical. Enough material 

 for a thorough first-year oonrse. 80 cents. 



For the Second Year 



Miller : Laboratory Phytic* 



128 problems, many of them new. 

 Adapted to a variety of equipment. $2. 00. 



Sabine: Laboratory Course in Physical 

 Measurements 



An abstract of the physical theories in- 

 volved, with a description of the ex- 

 periments. 11.25. 



Ginn and Company 



UNIVERSITY OF CALIFORNIA 

 PUBLICATIONS 



The University of California Usues publications in the 

 followins series among others t 



Affricultural Science 

 American Archa«ok>sy 



and Ethnology 

 Botany 

 Economics 

 Geology 



Memoirs of the U: 

 Bulletin and Publicati 



Mathematics 

 Pathology 

 Philosophy 

 Physiology 

 Psychology 

 Zoology 

 ity of California 



of the Lick Observatory 



RECENT TITLES 



Fundamental Inter-relationships between Certain Solu- 

 ble Salts and Soil Colloids, by L. T. Sharp $ 



Species Novae vel Minus Cognitae, by T. S. Brandegee. 



Notes on Some Hemiptera Taken near Lake Tahoe, Cali- 

 fornia, by E. P. Van Duzee 



Mesozoic and Cenozoic Mactrinae of the Pacific Coast of 

 North America, by E. L. Packard i 



Stratigraphy and Fauna of the Tejon Eocene of Califor- 

 nia, by R. E. Dickerson i 



The Correlation of the Pre-Cambrian Rocks of the Re- 

 gion of the Great Lakes, by A. C. Lawson .... 



Two New Aplodontias from Western North America, by 

 W. P. Taylor 



Complete list of titles and prices will be sent 

 on application 



THE UNIVERSITY PRESS - 



Berkeley, Califoroia 



Send for descripttve circulars and sample 

 pages 



PRINCIPLES OF 



STRATIGRAPHY 



BY 



AMADEUS W. GRABAU, S.M., S.D. 



PROFESSOR OF PALAEONTOLOGY IN 

 COLUMBIA UNIVERSITY 



Large OctaTO, 1150 pages, with 25i illustrations in the text. 

 Cloth boand, price, 87.50. 



Scad for descriptive circnlar 



A. a SEILER & CO. 



PUBUSHFKS 

 1224 Amsteraam Avenue NEW YORK. N. Y.. 



