SECTIONAL TRANSACTIONS.—M. 405 
often had deplorable results. Damage by grazing of various kinds often 
leads to diseases which may prove far more serious. 
The balance of nature is often upset, and there is still much to be learned 
concerning this problem. The obtaining of further information of the 
relationship of plants and animals offers a good field for the advancement 
of knowledge. 
Discussion. (Sir JoHn Russet, F.R.S.) (11.30.) 
