Bul. 32, New Series, Div. of Entomology, U. S. Dept. of Agriculture. PLATE VI. 
WORK OF THE ROCK PINE-WOOD ENGRAVER (PITYOGENES CARINICEPS LEC.). GALLERIES 
IN INNER BARK AND SURFACE OF Woop. ABOUT ONE-THIRD NATURAL SIZE. (ORIGI- 
NAL.) 
