Page 754 Kosenberg, 1882 should be 1782.. 



Page 837 Patrick, P. E., should be Patrick, G. E. 



Page 838 Blankenship should be Blankinship. 



Page 842 L. T. Henderson should be L. F. Henderson. 



Page 858 Panton, J. H. Weeds of Ontario should be listed on 

 page 845. 



Page 861 T. L. Williams should be T. A. Williams. 



