ALU SCAT Ou Se 
PLATES. 
Prats lo Eotrance holesof larvee . 92222255. 5. ont eee eee 
II. Fig. 1.—Banded tree and near-by fence. Fig. 2.—Post of fence shown 
above, with. splinters removed:.222 J 2.2.2 2234 5.2. a ee 
III. Fig. 1.—Portion of fence post, showing old pupa skins. Fig. 
2:-—Cocoonsiin cracks in’ bark 2223229225) foe eee eee 
IV. Fig. 1.—Piece of bark, showing moth just emerged, and old pupa 
skins. Fig. 2.—Band on which the remains of 330 cocoons were 
counted: a: =. 2 Eek = oe ek Le a ee 
VY. Views in orchard of Hon. Edgar Wilson, showing location of apple 
house .inirelation*tororchard’ 2s. ce. == ace oe ee ee 
TEXT FIGURE. 
Fig. 1. Map of Pacific Northwest, showing life zones........-.-.------2---2 
4 
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