354 OUR PHYSICAL WORLD 



Olcott, William T. A Field Book of the Stars. New York: G. P. Put- 

 nam's Sons, 1907. $1.00. 

 . The Book of the Stars. New York: G. P. Putnam's Sons, 1923. 



. Star Lore of All the Ages. New York: G. P. Putnam's Sons, 



1911. $3.50. 



Philips, James C. The Romance of Modern Chemistry. London: Seeley Serv- 

 ice & Co. $1.25. 

 Pirrson, L. V. Rocks and Rock Minerals. New York: John Wiley & Sons, 



1908. $2.50. 

 Porter, J. G. The Stars in Song and Legend. Boston: Ginn & Co., 1901. 



$0.50. 

 Proctor, Richard A. Myths and Marvels of Astronomy. New York: 



Longmans, Green & Co. $1.75. 

 . Stars in Their Season. New York: Longmans, Green & Co., 



1907. $2.00. 



Roscoe, Sir H. E. John Dalton. New York: The Macmillan Co. $1.25. 

 Routledge, Robert. Discoveries and Inventions of the Nineteenth Century. 



London: George Routledge & Sons, 1900. 

 Rowe, J. P. Practical Mineralogy, Simplified. New York: John Wiley & 



Sons, 1911. $1.25. 

 St. John, Thomas M. Real Electric Toy Making for Boys. New York: 



Thomas M. St. John, 1911. $1.00. 

 Serviss, Garrett P. Astronomy with the Naked Eye. New York: Harper 



Bros., 1908. $1.40. 

 . Round the Year with the Stars. New York: Harper Bros., 1910. 



$1.00. 

 Sloane, Thomas O. Electric Toy Making for Amateurs. New York: 



Norman W. Henley Publishing Co., 1914. $1.00. 

 Slosson, Edwin E. Creative Chemistry. New York: The Century Co., 



1921. $2.00. 

 Snell, John Ferguson. Elementary Household Chemistry. New York: 



The Macmillan Co., 1914. $1.25. 

 Spencer, L. J. World's Minerals. New York: F. A. Stokes & Co., 1916. 



$2.75- ' 



Spring, L. W. Non-technical Chats on Iron and Steel. New York: F. A. 

 Stokes & Co. $2.50. 



Thompson, S. P. Michael Faraday, His Life and Work. New York: 

 The Macmillan Co. $1.25. 



Thorpe, T. E. Joseph Priestley. New York: E. P. Dutton & Co., 1906. 



$1.00. 



. Humphrey Davy, Poet and Philosopher. New York: The Mac- 

 millan Co. $1.25. 



