I L L U S T R A T IONS. 



I 



i 



PLATES. 



Page. 



Virgin Rechvood along South Fork of Eel River. Frontispiece. 



Plate I. Fig. 1. — Redwood Slope, South Fork of Eel River. Fig. 2. — Red- 

 wood Slope, Big Basin, Santa Cruz Mountains 8 



II. Fig. 1. — Redwood Flat, alluvial benches. South Fork of Eel River. 



Fig. 2.— Redwood Flat, Crescent City 8 



III. Fig. 1. — Typical forms of mature Redwood, Crescent City. Fig. 2. — 



Characteristic sprouting of broken Redwood 8 



IV. Fig. 1. — Sprouts of one season's growth, Crescent City. Fig. 2. — 



Sprouts 6 to 8 years old, Crescent City 8 



V. Fig. 1. — Sprouts 25 years old, Crescent City. Fig. 2. — Mature sprouts 



in virgin timber. Crescent City 15 



VI. Redwood logging. "Fallers" making the undercut. Caspar, Mendo- 

 cino County 16 



VII. Redwood logging. The yarding donkey and yarding crew, Caspar, 



Mendocino County 16 



VIII. Fig. 1. — Logged slope on Big River. Fig. 2. — Slope similar to fig. 



1, showing subsecjuent reproduction of Fir and Redwood 16 



IX. Fig. 1. — Second-growth Redwood at Eureka, 30 to 35 years old. Fig. 



2. — Second-growth Redwood at Mendocino, 40 to 45 years old ... 24 

 X. Sections of Redwood logs, showing brown rot: Fig. 1. — Distribution 

 of pockets of diseased wood. Fig. 2. — Pockets of diseased wood 



in various stages 24 



XL Tangential section of Redwood log affected with brown rot 24 



XII. Work of Redwood bark-beetle 24 



TEXT FIGURES. 



Fig. 1. The Redwood bark-beetle 34 



2. The Lawson's Cypress bark-beetle 35 



3. Work of the Lawson's Cypress bark-beetle in twigs of living trees 37 



4. The Monterey Cypress bark-beetle 39 



DIAGRAMS. 



Diagram 1, Height on a basis of age 25 



2. Diameter on a basis of age 26 



5 



