ORDER PICIFORMES. 191 



Range. — Cape district of Lower California north to San Ignacio, and on 

 Santa Margarita Island. 



GiaNus MELANERPES Swainson. 



Melanerpcs Swainson, in Swainson and Richardson, Fauna Bor.-Amer., 

 II, 1831 [1832], 316. Type, by orig. desig., Picus erythrocephalus 

 Linnaeus. 



Melanerpes erythrocephalus (Linnaeus). Red-headed Woodpecker. [406.] 



Picus erythrocephalus Linnaeus, Syst. Nat., ed. 10, I, 1758, 113. Based 

 on The Red-headed Woodpecker, Picus capite toto ruhro Catesby, 

 Carolina, I, 20. (in America = South Carolina.) 



Range. — Transition and Austral zones from southeastern British Columbia, 

 central Alberta, Manitoba, and southeastern Ontario south to the Gulf 

 coast and southern Florida, and from central Montana, central Wyoming, 

 central Colorado, New Mexico, and central Texas east to valleys of the 

 Hudson and Delaware; irregular in occurrence and local in New England and 

 southern New Jersey; irregularly migratory in the northern parts of its range. 

 Casual in Arizona, Utah, Nova Scotia, southern Quebec, and New Brunswick. 



Genus BALANOSPHYRA Ridgway. 



Balanosphyra Ridgway, Proc. Biol. Soc. Wash., XXIV, No. 9, Feb. 24, 

 1911, 34. Type, by orig. desig., Picus formicivorus Swainson. 



Balanosphyra formicivora formicivora (Swainson). Ant-eating Woodpecker. 



[407.] 



Picus formicivorus Swainson, Philos, Mag., n. s., I, No. 6, June, 1827, 439. 

 (Temascaltepec [Mexico].) 



Range. — South-central Texas (Kerr County and the Chisos Mountains) 

 south throughout eastern and southern Mexico. 



Balanosphyra formicivora aculeata (Mearns). Mearns's Woodpecker. 

 [407c.] 



Melanerpes formicivorus aculeatus Mearns, Auk, VII, No. 3, July, 1890, 

 249. (Squaw Peak, central Arizona.) 



Range. — Arizona, New Mexico, and western Texas south over northwestern 

 Mexico to Durango. 



Balanosphyra formicivora bairdi (Ridgway). California Woodpecker. 

 [407a.] 



