STUDIES IN NATURjE 



called ventilating a house, and is a matter that 

 most people do not sufficiently attend to. 



The great movements of the air in the world 

 outside cause the breezes, winds, and gales, which 

 have been familiar to us all from childhood. We 

 shall learn more about these when we come to 

 consider the subject of the weather. 



(24) 



