254 



BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 



Dendrocopus scalaris lucasanus Thater and Bangs, Condor, ix, 1907, 136 (Santa 

 Ana and San Andres, Lower California). 



(1)Dryobates nuttallii (not Picus nuttallii Gambel?) Bryant (W. E.), Proc. Ac. 

 Nat. Sci. Phila., 2d ser., 1889, 286 (San Rafael and Ensenada, Lower Cali- 

 fornia; see Anthony, Zoe, iv, 1893, 236). 



Dryobates scalaris eremicus Obbrholser, Proc. U. S. Nat. Mus., xli, June 30, 1911, 

 141, 151 (San Fernando, n. w. Lower California; coll. U. S. Nat. Mus.). — 

 American Ornithologists' Union Committeb, Auk, xxix, 1912, 383. 



DRYOBATES SCALARIS CACTOPHILUS Oberholser. 

 CACTTTS WOODPECKER. 



Similar to D. s. symplectus, but slightly larger, and with black bars 

 on back., etc., decidedly broader. 



Adult male.— Length (skins), 156-181 (170); wing, 99-107.5 (104); 

 tail, 56.5-68 (60.8); exposed culmen, 21-27 (22.7); tarsus, 16.5-19.5 

 (18.1); outer anterior toe, 12-14 (12.9)." 



Adult female. — ^Length (skins), 148-175 (162); wing, 97-106 

 (101.5); tail, 56-65 (62.4); exposed culmen, 17.5-22 (19.8); tarsus, 

 16-18.5 (17.1); outer anterior toe, 11.5-13 (12.2).* 



Lower and Upper Austral zones from extreme western Texas (Fort 

 Hancock; Fort Davis; Davis Mountains; El Paso; Chisos Mountains; 

 20 miles southwest of Toyahvale) through New Mexico and Arizona 

 to southern California (Hesperia, Needles, and Cushenbury Springs, 

 San Bernardino County; San Gorg6nio Pass, Riverside County; 

 Whitewater, Walters, VaUecito, Yuma, and Moimt Spring, San 

 Diego County) and northern Lower California (Colony, etc., lower 

 Colorado Eiver; delta of Colorado Eiver; Salton River; Gardners 

 Laguna; C6copah Major Mountains) ; north to southern Nevada (east 



' Thirty-five specimens. 



b Thirty-six specimens. 



Locality. 



Outer 

 ante- 

 rior toe. 



MALES. 



Ten adult males from New Mexico 



Ten adult males from Arizona 



Two adult males from northern Lower California 



Pour adult males from northern and middle Sonora 



Five adult males from Chihuahua 



Four adult males from northern Durango 



FEMALES. 



Eight adult females from New Mexico 



Ten adult females from Arizona 



Five adult females from southeastern California (1) and north- 

 em Lower California (4) 



Seven adult females from northern and middle Sonora 



Three adult females from Chihuahua 



Three adult females from northern Durango 



12.7 

 13.2 

 13.5 

 12.6 

 12.6 

 13.1 



12.1 

 12.1 



12.5 

 12.2 

 11.8 

 12 



