EXPLANATION OF BOOK NUMBERING xxv 



1715. 



1801. High School Physics. Carhart and Chute. Allyn & Bacon. 



1802. Forty Lessons in Physics. McMullen. Holt. 

 *1803. First Course in Physics. Millikan and Gale. Ginn. 



1804. Principles of Physics. Gage. Ginn. 



1805. Physics for Secondary Schools. Adams. A. B. Co. 



1806. A Textbook of Physics. Hall and Bergen. Holt. 



1807. Elements of Physics. Coleman. Heath. 



1808. A Brief Course in Physics. Hoadley. A. B. Co. 



1809. Textbook of Physics. Linebarger. Heath. 



1810. Elements of Physics. Sanford. Holt. 



1811. Elementary Physics. Miller and Foerste. Scribners. 

 1812. 



1813. 

 1814. 

 1815. 

 *1901. Bacteria, Yeasts, and Molds. Conn. Ginn. 



1902. Agricultural Bacteriology. Conn. Blakiston. 



1903. Bacteria in Relation to Country Life. Bailey. Macmillan. 



1904. Primer of Sanitation. Ritchie. World. 



1905. School Sanitation and Decoration. Burrage and Bailey. 



Heath. 

 1906. 

 1907. 

 1908. 

 1909. 

 1910. 



PUBLICATIONS OF THE UNITED STATES DEPARTMENT 

 OF AGRICULTURE ^ 



FARMERS' BULLETINS 



No. 28. Weeds and How to Kill Them. 



No. 34. Meats ; Composition and Cooking. 



No. 44. Commercial Fertilizers. 



No. 54. Some Common Birds. 



No. 77. The Liming of Soils. 



No. 78. Experiment Station Work ; Miscellaneous. 



No. 79. Experiment Station Work ; Miscellaneous. 



