il. 39, B. ey, U. S. Dept of Agriculture. 
Work of Pileated Woodpecker; Bleached Walnut Wood. 
[1. Hole made in canoe cedar | TJmja plicata by pileated woodpecker in search of insects. 2. Healed 
excavation in same wood, outside view. 3. Same, inside view. 4 and 5. Excavations bv pileated 
woodpecker in dead deciduous trees. Vilas County. Wis. By H. S. Barber. 6. Bleached streak in 
black walnut, caused by woodpecker's food excavation.] 
