BOOK NOTICES. 



General Physics: An Elementary Text-book for Colleges. By Henry Crew, Ph. D. 

 Pp., xii+522. Price, $2.75 net. New York: The Macmillan Company, 1908. 



The Elements of Physics. A College Text-Book. By Edward L. Nichols and 

 William S. Franklin. In three volumes: Vol. II, Electricity and Magnetism. 

 Cloth. Pp., viii+522. Price, $1.60 net. New York: The Macmillan Com- 

 pany, 1907. 



78322 9 5^1 



