Journal and Proceedings 



OF THE 



Ibamilton Heeociation 



For Sessions of 1911-1912 



NUMBER XXVII. 



AUTHORS OF PAPERS ARE ALONE RESPONSIBLE FOR STATE- 

 MENTS MADE AND OPINIONS EXPRESSED THEREIN. 



Zl 



Sl^lo 



PRINTED FOR THE HAMILTON ASSOCIATION BY 

 HKATH & I^OCKHAET 



