It 1B 



those or-ocioe inferior in -^ oyos of tho luzfooraon. Sound 

 Incense ooaar is wonderful aatorial. But Ineonso Coder ia 

 BO frequently affected with dry-rot that it is HOS tly used 

 for fonoo poets. Sinoo tho poets arc Loins split fron tho 

 haartwood, only old trooe aro ueod.from whioh the sroatost 

 n^aber of pocric can bo oMetooc. How thoso old troos vory 

 oomonly ahw dry-rot. Tho cuostion thoa arisoB. from wi^t 

 ago on is laconso Coder liatlo -to ^o docayod? If we find 

 that Inoonso Oodar up to a cortalu age oorrospo a din to a 

 morchaatablo si zo conorally i s BOTm a f wo cr , a ootaillo]l what 

 wo Eigut call e pa-iholosioe.1 rotation y this apaoioa^ got 

 rid of our oldor, iwolw'oly dooajod matorir.l, and put Inoonse 

 Ooocar whoro it boloa G8 ; thet ic, in tho first real:, vrith 

 Sugar and Tollow Pino. S-fcudioo ooncor&inc,- tlio ago of In-, 

 ooaso Cedar havo boon oonduotoc' on tho Stanislaus and tha 

 Siorra with ozeollonv rosulvs whioh -,7ill bo ohoeiod up on 

 other Torests at different olovations. The docadanoc sad age 

 of infootion of TThito Fir .wore the objects of similar stud- 

 ios on tho Crater, in Oregon this spring, the results of 

 whioh \7ill soon appear in form of 'a ro;-ert. One of the 

 practical results of this study, for inotanoo : enables us 

 to tall by tlio appoaranoo of tho pins or doad bianoh stubs, 

 in the majority of cases, whether a Thito Fir log, oloar at 

 both ends, contains amr rot. Knf, morn nv innn aion i-,nm TV>. 



