1919- CATALOGUE or BIRDS OF THE AMERICAS CORY. 



493 



Dryobates scalaris sinaloensis Ridgway. MAZATLAN WOODPECKER. 



Dryobates scalaris sinaloensis RIDGWAY, Man. N. Am. Bds., 1887, p. 285 (Maz- 

 atlan, Sinaloa, Mexico); OBERHOLSER, Proc. U. S. Nat. Mus., XLI, 1911. 

 pp. 140, 149 (Monogr.); RIDGWAY, Bull. U. S. Nat. Mus., No. 50, VI, 1914. 

 p. 250. 



Range: State of Sinaloa, western Mexico. 

 Dryobates scalaris graysoni (Baird). TRES MARIAS WOODPECKER. 



[Picus scalaris] var. graysoni BAIRD, in Baird, Brewer and Ridgway's Hist. 



No. Am. Bds., II, 1874, pp. 501, 517, part (type from Tres Marias Islands, 



western Mexico). 

 Dryobates scalaris graysoni NELSON, No. Am. Fauna, No. 14, 1899, p. 43 (Tres 



Marias Island); OBERHOLSER, Proc. U. S. Nat. Mus., XLI, 1911, pp. 141, 



148 (Monogr.); RIDGWAY, Bull. U. S. Nat. Mus., No. 50, VI, 1914, p. 250. 

 Subsp. B. Dendrocopus graysoni HARGITT, Cat. Bds. Brit. Mus., XVIII, 1890, 



p. 250. 



Range: Tres Marias Islands, off western Mexico. 



*Dryobates scalaris azelus Oberholser. MICHOACAN WOODPECKER. 

 Dryobates scalaris azelus OBERHOLSER, Proc. U. S. Nat. Mus., XLI, 1911, pp. 

 141-147 (La Salada, Michoacan, southwestern Mexico); RIDGWAY, Bull. 

 U. S. Nat. Mus., No. 50, VI, 1914, p. 251. 



Range: States of Michoacan, Oaxaca, Guerrero and Puebla*, 

 southern Mexico. 



i: Mexico (Iguale, Guerrero). 



Dryobates scalaris agnus Oberholser. CAMOA WOODPECKER. 



Dryobates scalaris agnus OBERHOLSER, Proc. U. S. Nat. Mus., XLI, 1911, pp. 

 140, 150 (Camoa, Rio Mayo, Sonora, western Mexico); RIDGWAY, Bull. 

 U. S. Nat. Mus., No. 50, VI, 1914, p. 252. 



Range: Southern Sonora, Mexico. 



*Dryobates scalaris lucasanus (Xantus). SAN LUCAS WOODPECKER. 



Picus lucasanus XANTUS, Proc. Acad. Nat. Sci. Phila., 1859, p. 298 (Cape 



San Lucas, Lower California); MALHERBE, Mon. Picidas, I, 1861, p. 166; 



ELLIOT, Illust. New & Unfig. Bds. N. Am., I, 1869, p. 7. 

 Dendrocopus lucasanus (Subsp. a.) HARGITT, Cat. Bds. Brit. Mus., XVIII, 



1890, p. 250. 

 Dryobates scalaris lucasanus OBERHOLSER, Proc. U. S. Nat. Mus., XLI, 1911, 



pp. 141, 150 (Monogr.); RIDGWAY, Bull. U. S. Nat. Mus., No. 50, VI, 1914, 



p. 252. 



Range: Cape San Lucas region, Lower California. 

 2: Southern Lower California (Laguna i, "Lower California" i). 



CJ. Ridgway, /. c. t p. 251, footnote. 



