1895.] NATURAL, SCIENCES OF PHILADELPHIA. 603 



5. Stercorarius longicaudus Vieill. Long-tailed Jaeger. 

 Obtained in Tuctoo Valley. 



6. Gavia alba (Gunn. ). Ivory Gull. 



One obtained on McCormick Bay, July 17, 1892. 



7. Rissa tridactyla (Linn.). Kittiwake. 

 One specimen in the collection. 



8. Larus glaucus Briinn. Glaucous Gull. 

 One taken at McCormick Bay, July 17, 1892. 



9. Clangula hyemalis (Linn. ). Old-squaw. 



Males and females in perfect breeding plumage obtained in Tuctoo 

 and Glacier Valleys, June 16-21, 1892. 



10. Somateria mollissima borealis Brehm. Greenland Eider. 

 One set of eggs collected June 30, on Whale Sound and several 



birds secured. 



11. Somateria spectabilis (Linn.). King Eider. 



Found breeding in Tuctoo Valley, June 9, 1892, and birds were 

 obtained in the same locality as late as July 24. 



1 2. Chen hyperboreus nivalis (Forst. ) Greater Snow Goose. 

 One adult female in worn plumage and one young gosling entirely 



in down were secured on July 10, 1892, in Glacier Valley. So far 

 as I am aware this capture furnishes the first information that we 

 have regarding the breeding ground of this bird. 



13. Tringa canutus Linn. Knot. 



A series of specimens of the Knot were obtained in Tuctoo Valley, 

 June 22 to July 22, 1892, and Aug. 23, 1891. Most of these are in 

 breeding plumage and have lost entirely the gray borders to the 

 feathers of the back. 



One young bird was obtained which is still in the down but has 

 the wings about half grown and the regular feathers appearing on 

 the breast and back. 



14. Calidris arenaria (Linn. ). Sanderling. 



One specimen was secured in Glacier Valley, June 14, in full 

 breeding dress. 



15. Arenaria interpres (Linn.). Turnstone. 



Two specimens were taken July 21 and 26, 1892, in Tuctoo 

 Valley. 



16. Lagopus rupestris reinhardti (Brehm). Reinhardt's 

 Ptarmigan. 



