FOURTEEN-WEEKS SERIES A N " 



. : :"": "-" :".'**::..: /*. . * IN 



NATURAL SCIENCE, 



BY 



J. DORMAN STEELE, PH.D., F.G.S. 



New Physics. Human Physiology. 



New Chemistry. Zoology. 



Popular Geology. Botany. 



New Descriptive Astronomy. 



Hygienic Physiology. 



Hygienic Physiology, Abridged. 



The Publishers can supply (to Teachers only) a Key containing Answers 

 to the Questions and Problems in Steele's entire Series. 



BARNES' HISTORICAL SERIES, 



ON THE PLAN OK 



STEELE'S FOURTEEN-WEEKS IN THE SCIENCES. 



A Brief History of the United States. 

 A Brief History of France. 



A Brief History of Ancient Peoples. 



A Brief History of Mediaeval and Modern Peoples. 

 A Brief General History. 



A Brief History of Greece. 



A Brief History of Rome. 



A Popular History of the United States. 



