BIRDS OF SOUTHERN VERACRUZ — WETMORE 275 



Texas (most of the State) south into Mexico, from Tamaulipas 

 and eastern Chihuahua southward to Hidalgo, Jalisco, and Michoa- 

 can (west of Veracruz). 

 Centurus aurifrons polygrammus Cabanis: 



Centurus polygrammus Cabanis, Journ. fur Ornith., 1862, p. 362 (San Bar- 

 tolome, Tehuantepec, Oaxaca). 



Similar to aurifrons, but both black and white dorsal bars de- 

 cidedly narrower ; crown and nape patches in male more frequently 

 confluent; middle rectrices marked heavily with white; darker below; 

 nuchal area orange or orange-red. 



Pacific slope from southeastern Oaxaca to western Chiapas 

 (Tonala). 



Centurus aurifrons frontalis (Nelson) : 

 Melanerpes frontalis Nelson, Auk, 1900, p. 257 (San Vicente, Chiapas). 



Similar to polygrammus, but dorsal bars heavier, almost as heavy 

 as in aurifrons- rump and upper tail-coverts more or less marked 

 with black; yellow of abdomen paler and more restricted; nape in 

 female averaging paler; male with red crown patch averaging 

 smaller, separated in most by a wide gray space from the orange 

 nape. Male, wing 131-136 (133.6), tail 71-80 (74.4) ; female, wing 

 124.5-136 (130.6), tail 66.5-81 (72.6) mm. (measurements from 

 Ridgway). 



Chiapas, except extreme west and north, possibly into northwest- 

 ern Guatemala. 



Centurus aurifrons grateloupensis (Lesson) : 



Picus grateloupensis Lesson, Rev. Zool., 1839, p. 41 (Mexico). 



Abdomen yellow to orange ; white bars on dorsal surface narrower ; 

 nasal tufts orange or yellow ; male with nape and crown red, middle 

 rectrices black, in some with white on the inner webs. 



This is an intermediate form between aurifrons and veraecrucis. 



Extreme southern Tamaulipas (Altamira) south to central Vera- 

 cruz (Mirador, Jalapa, Motzorongo) and eastern Puebla (Metlalto- 

 yuca) . 



Centurus aurifrons veraecrucis (Nelson) : 



Melanerpes dubius veraecrucis Nelson, Auk, 1900, p. 259 (Coatzacoalcos, 

 Veracruz). 



Abdomen orange-red to red ; white bars on dorsal surface much 

 narrowed; crown and nape in male bright red, usually confluent 

 though sometimes partly or wholly separated by gray; nasal tufts 

 red; lower surface darker. Wing, male, 122-133 (126.9); female, 

 118-134.5 (124.7) mm. (measurements from Ridgway). 



