THE PINE INVESTIGATION. 



423 



Second, third and fourth small and closely connected, easily 

 distinguished from T. pini by its small size. 



Tomicus caelatus Eich. Length, 2.5 to 3 mm. or .10 .12 inch; 

 color, reddish brown to nearly black; declivity but slightly ex- 

 cavated and armed with three to four teeth on each side ; up- 

 per ones small and irregularly arranged ; the lower one larger, 

 more acute, and situated on the flattened surface and not on 

 the margin as with the other species. 



Fig. LXXXII-- Hole 4 inches long by 2 inches wide and 5 inches deep, made 

 by wood-pecker in living tree infested with buprested larvae : fifteen 

 annual layers of wood had formed around the entrance 

 before the tree died. 



