401a. Picoides americanus alascensis. 

 444 his. Add: Picoides americanus alascensis. Alaskan Three-toed Wood- 

 pecker. Resembling the last: back more broadly barred with white, the bars more or less 

 confluent; the white postocular stripe more distinct; the dark bars of the sides narrower. 

 Alaska and northern British America. The Auk, April, 1884, p. 165. 



445. Picoides americanus dorsalis. 



446. Sphyrapious varius. 



4016. Picoides americanus dorsalis. 

 402. Sphyrapious varius. 



