PlClDiB — THE WOODPECKERS — CENTURUS. 399 



Centurus aurifrons, Gray. 



THE YELLOW-BELLIED WOODPECKEE. 



Centurus flaviventns, Swainson, Anim. in Menag. 1838 (2\ centenaries), 354. — Baird, 

 Birds N. Amer. 1853, 1 10 ; pi. 42. Ib. Rep. Mex. Bound. U. S. ; pi. 4. — Heermaxn, 

 P. R. Rep. X. c. 18. — Dresser, Ibis. 1865, 469. (Resident in Texas.) 



Centurus cleyans, Lawrence, Ann. N. Y. Lye. V. May, 1851, 116. 



Centurus Sautacru:ii, Lawrence, Ann. N. Y. Lye. V. 1851, 123. (Not of Bonaparte.) 



Picus aiHT/ioHs, Wagler, Isis, 1829, 512. — Slndevall, Consp. Pic. 53. — Centuris auri- 

 frons, Gray, Genera. — Caisanis, Jour. 1862, 323. 



Picus ornat)is, Less. Rev. Zool. 1839, 102. 



Sp. Char. Fourth and fifth quills nearly equal ; third a little shorter ; longer than the 

 fourth. Back banded transversely with black and white ; rump anil upper tail coverts 

 pure white. Crown with a sub-quadrate spot of crimson, about half an inch wide and 

 long, and separated from the gamboge-yellow at the base of the bill by dirty white ; from 

 the orbit and occiput by brownish-ash. Xape halt-way round the neck orange-yellow. 

 Under parts generally and sides of head dirty white. Middle of belly gamboge-yellow. 



Tail feathers all entirely black, except the outer, which has some obscure bars of white. 

 Length, about 9 50 ; wing, 5.00. 



Female without the red of the crown. 



Hab. Rio Grande region of the United States ; south into Mexico. Probably Arizona. 



Young birds avu not difl'erent from adult.s, except iu showiug indication 

 of dark shaft-lines beneath, becoming broader behind on the sides. The 

 yellow of the nape extends over the wliole side of the head. 



Centurus uropygialis, Baird. 



THE GILA WOODPECKER. 



Centurus uropygialis, Baird, Pr. A. N. Sc. I'll. VII. June, 1854, 120. (Bill Williams's 

 River, N. M.) Ib. P. R. Rep. IX. Birds, 111. — Kennerly, X. iv. 22; pi. 36. — 

 Heermann, X. v. 17 ; X. vi. 58. 



Sp. Char. Third, fourth, and fifth quills longest, and about ecpial. Back, rump, and 

 upper tail coverts barred transversely with black and wliite, purest on the two latter. 



