DRYOBATES. 285 



of Mexico, and southern border of United 

 States, from Texas to Arizona. 



396. D. scalaris bairdi (Scl.). 

 Texan Woodpecker. 1 

 / 2 . Outer tail-feather barred with white only on terminal 

 half or less, except sometimes on inner web. 

 g 1 . Primary coverts with at least one row of small white 

 spots. 

 h l . Larger, with slenderer bill and much broader 

 black bars on back (bars about .15-20 wide) ; 

 length about 7.25-7.75, wing 3.95-4.10 (4.02), 

 tail 2.70-2.90 (2.81), exposed culmen .91-.94 

 (.93). Hab. Southern portion of Lower Cali- 

 fornia 396a. D. scalaris lucasanus 



(Xantus). Saint Lucas Woodpecker. 

 A 2 . Smaller, with stouter bill and much narrower 

 black bars on back (bars only about .10 wide); 

 length about 6.25-6.50, wing 3.70-3.75 (3.72), 

 tail 2.20-2.40 (2.30), culmen .70-.80 (.75). Hab. 

 Western Mexico (vicinity of Mazatlan). 



D. scalaris sinaloensis Ridqw. Mazatlan 



Woodpecker. 2 



<7 2 . Primary coverts plain dusky, without trace of white 



on outer webs ; black bars on back broad, as in D. 



lucasanus; length about 6.75-7.00, wing 3.80-3.95 



(3.88), tail 2.45-2.55 (2.50), exposed culmen .74-.88 



(.82). Hab. Tres Marias Islands, western Mexico. 



D. scalaris graysoni Baird. Grayson's Woodpecker.* 



e 2 . Forehead deep black, abruptly defined against the white, smoky 



white, or dull buff of nasal tufts; crown often streaked, 



but not speckled, with white ; lateral tail-feathers with not 



more than two distinct black bars, these near end (a third 



occasionally indicated) ; ground-color of lower parts nearly 



pure white ; adult male with "whole crown black, or black 



streaked with white, the red being confined to occiput and 



nape. 



Length about 7.00, wing 3.90-4.20 (4.06), tail 2.60-3.05 

 (2.78), exposed culmen .77-.82 (.80). Eggs .82 X -61. 

 Hab. California. 



397. D. nuttallii (Gamb.). BTuttall's Woodpecker. 



cP. Back and wings brown, the former barred or transversely spotted 



with white, and primaries spotted with same ; whole breast 



1 Picus bairdi " (Sclatek)" Malh., Mon. Pic. i. 1861, 118, pi. 27, figs. 7, 8. 



' New subspecies. 



3 Picus scalaris var. graysoni Baird, Hist. N. Am. B. ii. 1874, 515 and 517 (in text). 



