6 < < NTENTS. 



Page. 



s.m-pii- Hi -pecies of deciduou.- tn-es 52 



Sap-mi caused by I'u/i/xtirtux / rrxirolnr 53 



Sap-rot caused 1>V /'n///.v//V/,'/x y 1'ijnnit mix 56 



Sai>-ml caused )>y Fnun-x applanatus 58 



Decay caused l,y si, >, ////- ini*hilnx>nn 60 



' ii caused \>y Daedulea qucrdnn (11 



( )ihcr sap-mi i in- I'liuui (il 



Decay of siructural timber 62 



( 'a uses of decay 6-' 



Kaciiirs I'avurin^ decay 62 



Hale < if decay 63 



Manner of infection 64 



Suscepiibiliiy to decay 65 



Prevent i\ e methods 66 



Bibliography 69 



1 >i-->Tiptioii of plate.- 76 



Index 77 



H'J 



