510 ADDENDA 



396. Dryobates scalaris cactophilus. Cactus Woodpecker. 



Low. Son. desert region from se. Calif, to cen. Tex. and from Colo., 

 Utah, and s. Nev. s. to n. Mex. 

 396a. D. s. lucasanus. San Lucas Woodpecker. 



Low. Son. deserts from San Gorgonia Pass in s. Calif, s. to s. L.C. 



397. Dryobates nuttalli. Nuttall Woodpecker. 

 Up. Son. zone from sw. Ore. to nw. L.C. 



398. Dryobates arizonoe. Arizona Woodpecker. 



Up. Son. zone in mts. from se. Ariz, and sw. N.M. s. through Sierra 

 Madre to Zacatecas. 



399. Zenopicus albolarvatus. White-headed Woodpecker. 



Mainly Tran. zone in mts. from s. B.C. tow. Idaho, s. to w. Nev. and 

 s. Calif. 



400. Picoides arcticus. Arctic Three-toed Woodpecker. 



Can. zone of n. N. Am. from s. Alaska, cen. Yukon, s. Mack., cen. Keew., 

 and s. Ung. s. to Me., N.Y., Minn., S.D. (Black Hills), Wyo., Ida., Nev., 

 and Sierra Nev. of Calif. 

 4016. Picoides americanus dorsalis. Alpine Three-toed Woodpecker. 



Boreal forests of Rocky Mt. region from Idaho and Mont, to high mts. 

 of N.M. and Ariz. 



402. Sphyrapicus varius varius. Yellow-bellied Sapsucker. 



Breeds in Can. and up. part of Alleg. zone from sw. Mack., cen. Keew., 

 cen. Que., and Cape Breton I. s. to mts. of Mass, and N.C., and to Ind M 

 Mo., and cen. Alb.; winters from Ohio Vail, and Pa. to Bahamas, Mex., 

 and C.R.; casual in Wyo. 

 402a. S. v. nuchalis. Red-naped Sapsucker. 



Breeds in Boreal and Tran. zones from cen. B.C. and s. Alb. s. to w. 

 Tex., cen. N. M., and ne. Calif. 



403. Sphyrapicus ruber ruber. Red-breasted Sapsucker. 



Breeds in Tran. zone from n. Calif, (w. of Sierra Nev.) to mts. of s. 

 Calif.; in winter s. to s. L.C. and s. Ariz. 

 403a. S. r. notkensis. Northern Red-breasted Sapsucker. 



From Skagway, Alaska, to e. slope of Cascades and s. to Siskiyou Mts., 

 n. Calif. ; in winter s. to Monterey, Calif. 



404. Sphyrapicus thyroideus. Williamson Sapsucker. 



Breeds in Tran. and Can. mt. forests from B.C. and Mont. s. to cen. 

 N.M., cen. Ariz., and s. Calif.; winters in s. Calif., N.M., w. Tex., and s. 

 to Jalisco, Mex. 

 405a. Phloeotomus pileatus abieticola. Northern Pileated Woodpecker. 



Can. and Tran. zone forests from ne. B.C., s. Mack., s. Keew., cen. 

 Que., and Newf. to s. Alleg., n. N.M., and s. Sierra Nev. of Calif. 



406. Melanerpes erythrocephalus. Red-headed Woodpecker. 



Breeds in Tran. and Aus. zones from se. B.C., Man., andOnt., s. to vails, 

 of Del. and Hud., Gulf coast, cen. Colo., and cen. Mont.; casual in Ariz., 

 N.M., Utah., N.S., and N.B.; irregularly migratory in n. parts of range. 



407. Melanerpes formicivorus formicivorus. Ant-eating Woodpecker. 

 Tran. and Up. Son. zones from n. Ariz., n. N.M., and w. Tex. s. through 



Mex. to Isthmus of Tehuantepec. 



407a. M . f. bairdi. California Woodpecker. 



Up. Son. and lower part of Tran. zones of Pac. Coast region from sw. 

 Ore. s. to n. L.C. 



408. Asyndesmus lewisi. Lewis Woodpecker. 



Tran. zone from s. B.C. and s. Alb. to N.M. and Ariz., and from 

 inner coast ranges of Calif, to Black Hills, S.D., andw. Neb.; in winter to 

 s. Calif., w. Tex., and Chihuahua; casual in w. Kan. 



409. Centurus carolinus. Red-bellied Woodpecker. 



Mainly Low. Aus. zone from se. S.D., s. Minn., sw. Ont., Pa., and Del. 

 s. to Gulf coast and cen. Tex.; casual to Colo., and Mass. 



410. Centurus aurifrons. Golden-fronted Woodpecker. 

 Cen and n. Tex. s. to Vail, of Mex. 



