THE SNOW BUNTING 259 



forehead and crown dark rusty brown, bordered with 

 light grey on either side. The nape is dirty white, marked 

 with yellowish brown. Back and scapulars black, broadly 

 margined with dull, reddish brown. Primaries black, 

 edged with dirty white. Secondaries and wing coverts 

 white. 



A broad band of chestnut passes across the chest. 

 Under parts white. 



While the feet remain black throughout the year, the 

 colour of the bill changes to a dark yellow on the approach 

 of winter. 



