390 APPENDIX G 



the species was noted near Cascade Rapid on May 27. It was 

 common at Fort McMurray on May 28, the last date observed. 



Loxia curvirostra minor (Brehm). Crossbill. 



The red crossbill was observed on but one occasion, while we 

 were ascending Slave River, a short distance above its mouth, 

 on September 28, when a specimen was collected. 



Loxia leucoptera Gmelin. White-winged Crossbill. 



This beautiful bird was noted but once. A small flock lingered 

 for a few minutes among the spruces on the island which bore 

 the nesting colony of white pelicans in the Slave River Rapids 

 on June 22. 



Acanihis linaria linaria (Linn.). Redpoll. 



The redpoll was first noted near The Narrows of Great Slave 

 Lake on July 22, and next near the eastern extremity of Great 

 Slave Lake, July 25, 29, and 30. At our camp on Artillery Lake, 

 near the tree limit, it was observed daily, August 2 to 7. While 

 on the Barren Grounds to the northward, we observed a few near 

 the eastern end of Aylmer Lake on August 13, and near Sand- 

 hill Bay, August 21 and 24. It was again observed in numbers 

 on Artillery Lake on September 2, 5, and 6. While voyaging 

 along the northern shore of Great Slave Lake toward Fort Reso- 

 lution, we observed it on Caribou Island on September 20 and 

 21. These were the last dates recorded. 



Spinus firms (Wilson). Pine Siskin. 



The little siskin was first noted on the Athabaska during our 

 return trip. We observed it below Iron Point on October 28, 

 near Calling River on October 30, and found it abundant near 

 La Biche River on October 31 and November 1. 



Pieetrophenax nivalis nivalis (Linn.). Snow Bunting. 



During the spring migration the snow bunting was observed 

 but once — on May 12, between Vermilion and Sandy Creeks on 



