48 University of California Publications in Zoology [Vol.10 



Winter-plumaged examples of stelleri from Vancouver Island, 

 especially the three adults from Nootka Sound, are quite as dark 

 colored as the darkest of the birds from the southern Alaskan 

 islands. 



Measurements op Series of Cyanocitta stelleri from Various Points on 



the Northwest Coast 



Three adult males from Nootka 

 Sound, 



Average of seven males from vari- 

 ous points on Vancouver [sland, 148.6 140.1 30.5 42.6 



Average of four males of C. s. car- 

 lo! tut from Queen Charlotte Is- 

 lands (Kidgway, 1904, p. 354), 156.2 30.4 4s.il 



Average of four males from Prince 

 of Wales and Dall islands, 

 Alaska, 152.9 142.2 31.1 46.5 



Average of six males from Baranof 



and Admiralty islands. Alaska, 148.7 137.5 30.7 43.5 



Average of five males from Prince 



William Sound, Alaska, 148.2 136.2 30.3 41.1 



Perisoreus obscurus obscurus Ridgway 

 Oregon Jay 



In the summer, at least, a resident at high altitudes only, and 

 of rather uncommon occurrence. "We first met with the species 

 in the mountains south of Alberni. On July 3 Despard saw 

 several on the trail below King Solomon's Basin, and again, 

 July It, on Mount Douglas. On July 15 we were together on 

 Mount Douglas, when he killed a bear. While we were engaged 

 in skinning the animal, entirely hidden by the surrounding trees 

 and underbrush, a flock of Oregon jays suddenly appeared, to 

 feed on the refuse. There were five in all, a pair of adults and 

 three young ones, evidently a family gathering. The species was 

 not again met with until August 18, when several were seen 

 flitting through the shrubbery at the edge of Great Central Lake. 

 A few days later, August 21, three were secured on the moun- 

 tain slope above Delia Lake, at an altitude of about 4000 feet. 

 On September 8 a flock of four or five individuals was seen in ;i 

 dark canon on the north side of Mount Arrowsmith. 



On the few occasions we had to observe them, the Oregon jays 



