PHILOSOPHICAL SOCIETY OF WASHINGTON. 



147 



A square having an odd number of squares on each side can 

 always be constructed very easily, thus taking 11 on a side as an 

 example : 



Fig. 6. 



At the conclusion of Mr. Frisby's remarks the President an- 

 nounced that, by resolution of the General Committee, the Society 

 stood adjourned until the second Saturday in October. 



