THE BIRDS OF GREENLAND. 59 



114. , Yellow-lieaded Blackbird. {Xanikocepkalus xan- 



thocephalus.) 



A chance visitor to South Greenland. 



115. White-winged Crossbill. (Loxia hucoptera.) 

 _Rare in South Greenland. 



116. G-reenland Redpoll. {Acanthis homemannii.) 



Resident ; breeds quite commonly north of 69°. In win- 

 ter it occurs farther south. 



117. G-reater Redpoll. . (AcantMs linaria rostrata.) 



A sunamer visitor, but is occasionally met with in small 

 flocks or singly in winter. It is very prolific jn South Green- 

 land, but less so in North Greenland. Eggs laid from May 

 20 to June 27. Number of eggs in a set, 4 to 6. 



118. Suowflake. (PUctrophenax nivalis.) 



Very numerous ; breeds throughout the country. The 

 majority migrate, but a small number remain over winter. 

 Eggs laid from May 25 to June 25. Number of eggs in a 

 set, 5 to 8. 



119. Lapland Longspur. (Calearius lapponicus.) 



A summer visitor ; breeds anywhere in North Greenland, 

 as well as in the southern division (at least as far as 70^° 

 N. lat.). Eggs laid from June 11 to July 6. Number of 

 eggs in a set, 5 to 8.^ 



120. WTiite-crowned Sparrow. (Zonotrichia hiicophrys.) 



Occurs sparingly in South Greenland ; may perhaps lay 

 eggs there. 



