4 CONTENTS. 



A study of the Eedwood — 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 apply 27 



Conclusions 27 



The simplest management the best 27 



What one company has done 27 



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



of Plant Industry 29 



Decay in Redwood poles 31 



Prevention 31 



Explanation of plates 31 



Insect Enemies of the Redwood, by A. D. Hopkins, Division of Entomology . 32 

 The Sequoia aegerinian, or Redwood pitch worm ( Vespamima sequoise Hy. 



Edw. ) 32 



Remedy 33 



Cedar bark-beetles 33 



The Redwood bark-beetle {Phhieosinus sequoia:^ Hopk. ) 33 



Remedy 34 



Lawson's Cypress bark-beetle {Phlceosinus cupi^essi) 35 



Remedy 38 



Parasites 38 



The Monterey Cypress bark-beetle {Phlceosinus cristatus Lee.) 39 



Immunity of Redwood from attack by termites or white ants 39 



TABLES. 



Table 1. Redwood Slope 10 



2. Redwood Flat 11 



3. Valuation survey of second-growth Redwood 22 



4. Merchantable volume of Redwood timber 23 



5. Merchantable yield of Redwood per acre 24 



6. Pile length of Redwood 24 



7. Width of sapwood and diameter of heartwood 27 



