Bui. 32, New Se'ies, Div. of Entomology, U. S. Dept. of Agriculture. 



PLATE II. 



WORK OF THE COARSE-WRITING TOMICUS, IN INNER SURFACE OF BARK FROM 



DYING PINE. 



a Entrance; 6, central chamber; c, primary or egg galleries. Reduced about one-half. 



(Original.) 



