PuateE II. 
Tips of tongues of North American Woodpeckers (all save 4 viewed from above 
and enlarged 94 diameters). 
Fig. 1. 
-2, 
3 
4, 
5 
6 
California Woodpecker (Melanerpes formicivorous bairdi). Stockton, Cal. 
Red-headed Woodpecker (.Velanerpes erythrocephalus). Northern Illinois. 
. Ladder-back Woodpecker (Dryobates scalaris). Matamoras, Mexico, 
Downy Woodpecker (Dryobates pubescens). Washington, D.C. 
. Three-toed Woodpecker (Picoides arcticus). Tllinois. 
. Gila Woodpecker (Melanerpes uropygialis). Fort Huachuca, Ariz. 
6a. Another specimen showing variation due to wear of tongue. San Jose 
7. 
del Cabo, Lower California. 
Hairy Woodpecker (Dryobates villosus). 
4d 
. White-headed Woodpecker (Xenopicus albolarvatus). Clarks Fork, Colum- 
bia River, Washington. 
. Pileated Woodpecker (Ceophleus pileatus). Louisiana. 
. Gilded Flicker (Colaptes chrysoides). San Jose del Cabo, Lower California. 
. Delattre’s Woodpecker (Ceophleus scapularis). Tabasco, Mexico, 
42 
