76 PACIFIC COAST AVIFAUNA No. 14 



154. Sphyrapicus thyroideus (Cassin) 



Williamson Sapsucker 

 A rnre summer resident, mainly in the southwestern part of the state. Oc- 

 curs mostly in the mountains in the Transition zone. There are only a few rec- 

 ords, as follows: Gallatin Basin, August 28 to September 3, 1890, three young 

 taken (Richmond and Knowlton, 1894, p. 808). Madison River. August 18. ]S7'J 

 (IMerriam, 1873, p. 694). Seen in numbers throughout ihe Big Horn Region ;!ud 

 on the Yellowstone River; specimens collected August 20, 24 and 29, 1878 (Mc- 

 ('hesney,1879, p. 2890). This record is unusual, because other observers have not 

 mentioned this species in that region, and it is the only record out of the moun- 

 tains, besides being the easternmost record for the .state. Nesting on Bridger 



Fig. 16. WiLLiAJisoN Sapsiti'kkrs at \kst-holk; male at left, 



FKMALE \T RIGHT. LiTTLIO PlI'ESTOXE CREEK, JEFFERSOX 



County; July S, 1910. 



Creek, Gallatin County in June, 1909 (Saunders, 1911a, p. 38). Divide Creek, 

 Silver Bow County, April 28, 1910, several seen and one taken, and Charcoal 

 Gulch, Silver Bow County, April 30, 1910, one seen (Saunders, ]912a, p. 26). A 

 nest where the parents were feeding young found on Pipestone Creek, Jefferson 

 County, July 6, 1910 (Saunders, 191()d. pp. 208-204). (See fig. 16.) The north- 

 ernmost locality is Glacier Park, where there are a number of records at low 

 elevations (F. M. Bailey, THIS, p. 58). 



155. Phloeotomus pileatus abieticola (Bangs) 



Northern Pile.sted M'^oodpeckee 

 A common permanent resident of the more heavily timbered mountains of 

 northwestern Montana, west of the continental divide. There are also two rec 

 ords from extreme eastern Jlontana. The eastern limit of the regular range of 



