Plate I. 



Tongues of North American Woodpeckers (all viewed from above and enlarged 

 2i diameters J. 



Fig. 1. Hybrid Flicker (Colapiea). Fort Pierre, S. Dak. 



2. Delattre's Woodpecker (Ceo/j/i/ccMS «caj>M/rt>»M). Tabasco, Mexico. 



3. Gilded Flicker ( CoJaptes vhnjsoidex). Sau Jose del Cabo, Lower California. 



4. Downy Woodpecker {Ih-ijohates pnheHcviix). Washington, D. V. 



5. White-headed Wo(idpecker(.V<'H07>ici(8 rtZfto/ann/Ms^. ('larks Fork, Colnni- 



bia River, Washington. 



6. Hairy Woodpecker (Dryvbotes rillosuit). 



7. Gila Woodpecker {Mtlaiicrpis uropjigiaUs). Fort Hnachuca, Ariz. 



8. Three-toed Woodpecker (/'»toiV/«s rtn'/i<HN). Hlinois. 



9. Hed-headed Woodj)ecker (Mihinerpvs eri/lhrociphuhin). Northern Hlinois. 



10. California Woodpecker {.}rihiii<i]ieH J'urmivirorous hairdi). Stockton, Cal. 



11. Ladder-back Woodpecker (/'>i/()/»fl<('« sca/ajis). Matamoras, Mexico. 



12. Red-naped Sapsucker {Sphyrapicus rariita nuchalin). I'ort Wingate, N. Mex. 



40 



