PLATE III, 
Section of base of an oak stem split open to show the pupal chamber, C, of the 
longicorn beetle Lophosternut hugelii in the interior of the tree. A, Shallow gallery 
in sap wood made by young grub ; B, deeper gallery'made in sap wood by nearly full 
grown lai-va ; C, the pupal chamber in heart wood of the tree. 
