BIRDS OP NORTH AND MIDDLE AMERICA. 295 



Picoides americanus bacatus Bangs, Auk, xvii, April, 1900, 136 (Bangor, Maine; 



coll. E. A. and 0. Bangs). 

 Picoides bacatus Howe, Contr. Am. Orn., ii, 1902, 15 (Pico Peak, Vermont, 



breeding above 2,500 ft.). 

 [Picoides] baccatus Sharpe, Hand-list, ii, 1900, 217. 

 Picoides americanus labradorius Bangs, Auk, xvii, April, 1900, 138 (Okak, 



Labrador; coll. J. D. Sornborger). 

 [Picoides] labradorius Sharpe, Hand-list, ii, 1900, 217. 



PICOIDES AMERICANUS FASCIATUS Baird. 

 ALASKAN THREE-TOED WOODPECKER. 



Similar to P. a. americanus, but with much more white on back, 

 the white bare much hirger and more or less coalesced along median 

 line, forming a more or less continuous longitudinal patch; whitish 

 spots on forehead much larger, sometimes coalesced into a nearly 

 uniform dull white frontal area; upper tail-coverts and lower rump 

 barred or spotted with white ;'^ black malar stripe narrower and 

 usually less distinct, and black bars on sides and flanks narrower; 

 averaging shghtly larger. 



Adult male.— Length (skins), 188-215 (202); wing, 113-123 (116.8); 

 tail, 69-80.5 (74.5); culmen, 24-29.5 (27.1); tarsus, 19-21.5 (20); 

 outer anterior toe, 9-11.5 (10.5).^ 



Adult /emaZe.— Length (skins), 181-205 (196); wing, 109-117 

 (113.1); tail, 68-77 (73); cuhnen, 22-26 (23.9); tarsus, 18.5-20.5 

 (19.3); outer anterior toe, 9-10.5 (9.9).*^ 



Hudsonian and Canadian zones in Alaska (St. Michaels; Russian 

 Mission, lower Yukon; Fort Yukon; Nulato; Kowak River; Una- 

 lakleet; mountains near Eagle; Lake Clark; Coal Creek; Glacier 

 Mountam; Charhe Creek; Circle; head of Toklat River; Nushagak; 

 Ihamna; Hope; Tyoonok; Seldovia; Fort Kenai; Homer; Haines; 

 Shaktolik; ChUcoot; Portage Bay; Prince of Wales Island ; Hoonah, 

 Chichagoff Island; Kadiak), Yukon (Dawson; Macmillan River; 

 Forty-mile; Ogilvie Range; Plateau Mountains; Fort Reliance), 

 and western Mackenzie (Fort Simpson; Fort Liard; Fort Rae; Fort 

 Smith; Fort Anderson; Great Bear Lake; Great Slave Lake; Lake 

 Hardisty; Slave River), and southward through western and central 

 Athabasca (Slave River), Assiniboia (near Grenfell, April 3), and 

 Alberta (Jasper House; Grand Cache; Athabasca Landing; Stony 

 River; Henry House; Banff, August; Red Deer, December), to 

 northern Montana (St. Marys Lake, June 4; Columbia Falls, April, 

 October; Glacier Lake, Swift Current River, October; Clarkes Fork, 

 June 7); west to British Columbia (Saturna Island; Vancouver 



^ Sometimes even the wing-coverta and middle rectrices are spotted with white. 



^ Thirty specimens. 



c Thirty-three specimens. 



