4 



CONTENTS. 



A sillily of the Redwood — Continued. Page. 

 Cut-over lands — Continued. 



A .study of second-growth Redwood — (Continued. 



The valuation surveys [. 22 



How the tables were made 23 



Where the tables apjily 27 



Conclusions 27 



The simplest management tlie best 27 



AVhat one company has done 27 



The Brown Rot Disease of the Redwood, by Hermann von Schrenk, Bureau 



of Plant Industry 29 



Decay in Redwood jmles • 31 



Prevention 31 



Explanation of plates 31 



Insect Enemies of the Redwood, by A. D. Hoi)kins, Division of Entomology . 32 

 The Sequoia K'gerinian, or Redwood jntch worm ( Yesp<mwria sequoix Hy. 



Edw. ) 32 



Remedy 33 



Cedar bark-beetles 33 



The Redwood l^ark-beetle (Pliloeoshrus fiequoia' Hopk. ) 33 



Remedy 34 



Lawson's Cyjiress bark-beetle {Flilwofiinns cupn'-^si) 35 



Remedy 38 



Parasites 38 



The Monterey Cyjiress bark-l)eetle {PhlmmnuH crhtatus Lec.) 39 



Immunit}' of Redwood from attack hy termites or white ants 39 



TABLES. 



Table 1. Redwood Slope 10 



2. Redwood Flat 11 



3. Valuation survey of second-growth Redwood 22 



4. Merchantaljle volume of Redwood timber 23 



5. Merchantable yield of Redwood per acre 24 



6. Pile length of Redwood 24 



7. AVidth of sapwood and diameter of heart wood 27 



