492 Field Museum of Natural History — Zoology, Vol. XIII. 



*Dryobates scalaris scalaris (Wagler). Orizaba Woodpecker. 



Picus scalaris Wagler, Isis, 1829, p. 511 (Mexico).'' 



Picus orizabcB Cassin, Proc. Acad. Nat. Sci. Phila., 1863, p. 196 (Orizaba, 



Vera Cruz). 

 Dendrocopus scalaris Hargitt, Cat. Bds. Brit. Mus., XVIII, 1890, p. 246, part. 

 Dryobales scalaris scalaris Oberholser, Proc. U. S. Nat. Mus., XLI, 191 1, pp. 



140-141 (Monogr.); RiDGWAY, Bull. U. S. Nat. Mus., No. 50, VI, 1914, p. 245. 



Range: Southern Tamaiilipas (Tampico, Altima, etc.), southern 

 San Luis Potosi (Valles) and southward in northern and middle Vera 

 Cruz to Cordova, Jalapa, etc. 



3 : Tamaulipas i , Vera Cruz i , Tampico i . 



Dryobates scalaris ridgwayi Oberholser. Tlalcotalpam Woodpecker. 



Dryobates scalaris ridgwayi Oberholser, Proc. U. S. Nat. Mus., XLI, 191 1, 

 p. 140 (Jaltipan, southern Vera Cruz, Mexico); Ridgway, Bull. U. S. Nat. 

 Mus., No. 50, VI, 1914, p. 247. 



Range: Coast district of southeastern Vera Cruz (Jaltipan, etc.). 



Dryobates scalaris percus Oberholser. Comitan Woodpecker. 



Dryobates scalaris percus Oberholser, Proc. U. S. Nat. Mus., XLI, 191 1, pp. 

 140, 144 (Comitan, Chiapas, southern Mexico); Ridgway, Bull. U. S. Nat. 

 Mus., No. 50, VI, 1914, p. 248. 



Range: State of Chiapas, southern Mexico. 



*Dryobates scalaris parvus {Cabot). Sisal Woodpecker, 



Picus parvus Cabot, Journ. Acad. Nat. Sci. Phila., V, 1845, p. 90 (Ticul, Yu- 

 catan). 



Dryobates scalaris parvus Stone, Proc. Acad. Nat. Sci. Phila., 1890, p. 206; 

 (Tunkas and Tekanto, Yucatan); Oberholser, Proc. U. S. Nat. Mus., 

 XLI, 191 1, pp. 140, 141; Ridgway, Bull. U. S. Nat. Mus., No. 50, VI, 

 1914, p. 248; Bangs, Auk, 1915, p. 168 (Cabot's types). 



Pirns vagatus Cassin, Proc. Acad. Nat. Sci. Phila., 1863, p. 196 (Mexico?). 



Range: Yucatan and Cozumel Island. 

 ? : Yucatan. 



Dryobates scalaris leucoptilurus Oberholser. Peck's Woodpecker. 



Dryobates scalaris leucoptilurus Oberholser, Proc. U. S. Nat. Mus., XLI, 

 191 1, pp. 141, 146 (Pine Ridge, near Manatee Lagoon, British Honduras); 

 Ridgway, Bull. U. S. Nat. Mus., No. 50, VI, 1914, p. 249. 



Range: British Honduras. 



" I designate northern Vera Cruz for the type locality as suggested by Ridgway, 

 /. c, p. 247, footnote. 



