SCHOOL SCIENCE AND MATHEMATICS 



For a limited time we will send « School Science and Mathematics" 

 for one year, and any of the following books, postpaid, to any address in 

 the United States, Canada, or Mexico, for TWO DOLLARS. As the sup 

 ply of some is quite limited, tear off the coupon and write at once. 



i. Wild Birds in City Parks. 



By Herbert Eugene Walter and Alice Hall Walter. Chicago, 1906. 

 Fourteenth thousand, pp. 66, with charts, tables of migration, and blank record sheets'. 

 Price, 40 cents. 



This book is for beginners and is specially adapted for use in schools. It has 

 simple descriptions of 145 birds as seen in the field. There is a simple key to the 

 birds described, with hints for the use of the key and for studying birds. Mr. Walter 

 is a teacher and an enthusiastic bird student and the book was prepared primarily for 

 his own pupils. _ The descriptions, tables and charts are all based upon the authors' 

 personal observations through seven migration seasons. 



2. Culture Course in Mathematics. 



By T. M. Blakslee, Professor of Mathematics in the Iowa State Agricultural 

 College. 



A series of lectures covering a year's course in Freshman Mathematics. It 

 correlates the various branches of college mathematics into one course. A few ex- 

 tracts have been published in recent numbers of School Science and Mathematics. 



3. Reprints from " School Science and Mathematics." 



These include the following: "The Ostwald Table for Finding a in Wheatstone 

 Bridge Work;" " Home Made Storage Battery," by H. R. Brush; << Logarithms in 

 the First Year of the Secondary School," by G. W. Myers. 



4. School Mathematics. 



^ Only two numbers were issued. They are exceedingly valuable. In connec- 

 tion with the Mathematical Supplements they were used last year as a text-book in a 

 course on Pedagogy of Mathematics in the summer school of one of the largest uni- 

 versities in the country. 



5. Mathematical Supplements to " School Science and Mathematics." 



Three numbers were issued. 



6. Observational Astronomy. 



By G. W. Myers, Professor of the Teaching of Mathematics and Astronomy, 

 University of Chicago. 



Forty-five elementary experiments suitable for high school pupils. 



7. Analysis of Air and Water. 



By Lavoisier. Only a few copies of this rare and valuable reprint are left. 

 Every chemistry teacher should possess one. 



8. Reprints of the Cuts of the Moon. 



Mounted on fine paper with descriptive matter. These cuts appeared in the 

 January and February, 1906, numbers of School Science and Mathematics. 



Tear off this Coupon and send it with Two Dollars to "School Science and Mathematics," 

 440 Kenwood Terrace, Chicago, 111. 



In accordance with your Special Offer, I inclose Two Dollars, for which send 

 me your magazine for one year and the book offer numbered 



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