PLATE V. 
Fig. 1, larva of Dryocostes Ueioctti, Steb. 
Fig. 2, 2a, dorsal and side view of female, 2b, 2c, same of male beetle of Dryocce- 
tes Hewetii-, 2d, enlarged antenna, 2e, enlarged leg of same. 
Fig. 3, Section of stem of oak showing the pairing chambers, and egg and larval 
galleries of Dryoccetes Hewetti in the outer sap wood. p. pairing chamber ; /. female 
nr egg gallery ; 1. larval gallery, (half natural size.) 
Pig. 4, same in bark, natural size. 
